Rare Endocrinology News
Multicentric Castleman Disease
Multicentric Castleman disease (MCD) is a rare disease that affects the lymph nodes and related tissues. It is a form of Castleman disease that is “systemic” and involves multiple regions of lymph nodes (as opposed to unicentric Castleman disease, which involves a single lymph node or single region of lymph nodes). The signs and symptoms…
Brachydactyly Mononen type
The following summary is from Orphanet, a European reference portal for information on rare diseases and orphan drugs. Orpha Number: 2565 Definition Mononen-Karnes-Senac syndrome is characterized by skeletal dysplasia associated with finger malformations (brachydactyly with short and abducted thumbs, short index fingers, and markedly short and abducted great toes), variable mild short stature, and mild…
Imperforate oropharynx-costo vetebral anomalies
The following summary is from Orphanet, a European reference portal for information on rare diseases and orphan drugs. Orpha Number: 2759 Definition Imperforate oropharynx-costovertebral anomalies syndrome is a dysostosis with predominant vertebral and costal involvement characterized by oropharyngeal atresia, mild mandibulofacial dysostosis, auricular malformations, and costovertebral anomalies (hemivertebrae, block vertebra, partial fusion of the ribs,…
Bradyopsia
The following summary is from Orphanet, a European reference portal for information on rare diseases and orphan drugs. Orpha Number: 75374 Definition Bradyopsia is characterised by prolonged electroretinal response suppression leading to difficulties adjusting to changes in luminance, normal to subnormal acuity and photophobia. Epidemiology It has been described in five unrelated patients with symptoms…
PPM-X syndrome
The following summary is from Orphanet, a European reference portal for information on rare diseases and orphan drugs. Orpha Number: 3077 Definition An X-linked syndromic intellectual disability characterized by developmental delay, variable degree of intellectual disability, speech delay or absent speech, pyramidal signs, tremor, macroorchidism and variable mood and behavior problems, including psychosis and autistic-like…
Osteofibrous dysplasia
Osteofibrous dysplasia is a rare, non-cancerous (benign) tumor that affects the long bones. It usually develops in children and adolescents. The most common location is the middle part of the tibia (shin), although the fibula (a smaller bone in the calf) and the long bones in the arm (humerus, radius, or ulna) may also be…
Kennedy disease
Kennedy disease is a gradually progressive, neuromuscular disorder characterized by wasting of the proximal muscles (those closer to the trunk) and bulbar muscles (those of the face and throat).The condition mainly affects males, with onset between the ages of 30 and 60.[1] Early symptoms may include tremor, muscle cramps, and muscle twitching. This is followed…
Cabezas syndrome
The following summary is from Orphanet, a European reference portal for information on rare diseases and orphan drugs. Orpha Number: 85293 Definition An X-linked syndromic intellectual disability characterized by developmental delay, intellectual disability with significant speech impairment, and short stature in male patients. Variable additional clinical features have been associated, including macrocephaly, seizures, tremor, gait…
Osteopenia and sparse hair
The following summary is from Orphanet, a European reference portal for information on rare diseases and orphan drugs. Orpha Number: 2324 Definition Kaler-Garrity-Stern syndrome is a rare syndrome, described in two sisters of Mennonite descent, characterized by sparse hair, osteopenia, intellectual disability, minor facial abnormalities, joint laxity and hypotonia. There have been no further descriptions…
CANOMAD syndrome
CANOMAD syndrome is a rare chronic immune-mediated demyelinating polyneuropathy. CANOMAD stands for Chronic Ataxic Neuropathy Ophthalmoplegia IgM paraprotein Cold Agglutinins Disialosyl antibodies. Signs and symptoms of CANOMAD may include loss of muscle, tendon, and joint sensation, abnormal gait (walk), ataxia, tingling sensation on the skin around the mouth or extremities, paralysis of eye muscles, difficulty swallowing…
Spastic paraplegia 15
The following summary is from Orphanet, a European reference portal for information on rare diseases and orphan drugs. Orpha Number: 100996 Definition Autosomal recessive spastic paraplegia type 15 is a complex form of hereditary spastic paraplegia characterized by a childhood to adulthood onset of slowly progressive lower limb spasticity (resulting in gait disturbance, extensor plantar…
Carbamoyl phosphate synthetase 1 deficiency
Carbamoyl phosphate synthetase I deficiency (CPS1 deficiency) is a genetic disorder that causes episodes of toxic levels of ammonia in the blood (hyperammonemia). Symptoms include poor feeding, vomiting, lack of energy, low body temperature and weak muscle tone. These usually occur in the first few days of life. High levels of ammonia can lead to complications…
Legionnaires’ disease
Legionnaires’ disease is a severe type of pneumonia caused by the bacteria Legionella.[1] The species Legionella pneumophila causes most cases, but other species of Legionella can also cause the disease. It is named Legionnaires’ disease because it was first discovered after a pneumonia outbreak among people who attended an American Legion Convention in Philadelphia, Pennsylvania…
Carnitine palmitoyl transferase 1A deficiency
Carnitine palmitoyltransferase I deficiency (CPT1A deficiency) is an inherited metabolic condition that prevents the body from converting certain fats (long-chain fatty acids) into energy, particularly during periods without food. Carnitine, a natural substance acquired mostly through the diet, is required by cells to process fats and produce energy. Symptoms of this condition often appear early in life…
Familial caudal dysgenesis
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Logopenic progressive aphasia
Logopenic progressive aphasia (LPA) is a type of dementia characterized by language disturbance, including difficulty making or understanding speech (aphasia). It is a type of primary progressive aphasia (PPA). Affected individuals have slow, hesitant speech due to difficulty retrieving the correct words, names, or numbers. Difficulty with phase and sentence repetition are additionally present. Speech is typically well…
Cerebral dysgenesis, neuropathy, ichthyosis, and palmoplantar keratoderma syndrome
The following summary is from Orphanet, a European reference portal for information on rare diseases and orphan drugs. Orpha Number: 66631 Definition CEDNIK syndrome is a neurocutaneaous syndrome characterized by severe developmental abnormalities of the nervous system and aberrant differentiation of the epidermis. Epidemiology It has been described so far in seven affected individuals (four…
Lucey-Driscoll syndrome
Lucey-Driscoll syndrome, also known as transient familial hyperbilirubinemia, is a rare condition that leads to very high levels of bilirubin in a newborn’s blood. Bilirubin comes from the breakdown of red blood cells and is handled by the liver. Babies with this condition may be born with jaundice, causing yellow skin, yellow eyes and excess sleepiness (lethargy). The cause of Lucey-Driscoll…
Central pain syndrome
Central pain syndrome (CPS) is a rare neurological disorder caused by damage to or dysfunction of the pain-conducting pathways of the central nervous system (in the brain, brainstem, and spinal cord). Symptoms of CPS can vary greatly from one person to another, partly because the cause may differ. Primary symptoms are pain and loss of sensation, usually…
Macrosomia with lethal microphthalmia
The following summary is from Orphanet, a European reference portal for information on rare diseases and orphan drugs. Orpha Number: 2432 Definition Macrosomia-microphthalmiacleft palate syndrome is a rare, genetic, multiple congenital anomalies/dysmorphic syndrome characterized by early macrosomia, bilateral severe microphthalmia and a protuberant abdomen with hepatomegaly. Additional reported features include brachycephaly, large fontanelles, prominent forehead,…
Cerebro-oculo-facio-skeletal syndrome
Cerebro-oculo-facio-skeletal (COFS) syndrome is a degenerative disorder that primarily involves the brain, eyes, and spinal cord.[1] Affected individuals have mild to severe intellectual disability, severely reduced muscle tone (hypotonia), impaired reflexes, vision impairment, and involuntary eye movements. Children with COFS syndrome have distinctive facial features, including low-set ears, small eyes, small head size (microcephaly), and a small jaw (micrognathia). They may also have…
Marfanoid habitus-autosomal recessive intellectual disability syndrome
The following summary is from Orphanet, a European reference portal for information on rare diseases and orphan drugs. Orpha Number: 2463 Definition Marfanoid habitus ? intellectual deficit, autosomal recessive is a very rare multiple congenital anomalies syndrome described in four sibs and characterized by intellectual deficit, flat face and some skeletelal features of Marfan syndrome…
Ramon Syndrome
The following summary is from Orphanet, a European reference portal for information on rare diseases and orphan drugs. Orpha Number: 3019 Definition A rare, genetic, primary bone dysplasia syndrome characterized by bilateral, painless swelling of the face extending from the mandible to the inferior orbital margins (cherubism), epilepsy, gingival fibromatosis (possibly obscuring teeth), and intellectual…
Megalocornea spherophakia secondary glaucoma
The following summary is from Orphanet, a European reference portal for information on rare diseases and orphan drugs. Orpha Number: 238763 Definition Glaucoma secondary to spherophakia/ectopia lentis and megalocornea is a rare, genetic, non-syndromic developmental defect of the eye disorder characterized by congenital megalocornea associated with spherophakia and/or ectopia lentis leading to pupillary block and…
Cholera
Cholera is an infection of the small intestines that is caused by the bacterium Vibrio cholera. The condition can range from mild to severe and many affected people may have no obvious signs or symptoms. Approximately 5-10% of infected people will have severe disease with watery diarrhea and vomiting leading to rapid fluid loss, dehydration,…
Metatropic dysplasia
Metatropic dysplasia is a skeletal disorder characterized by short stature, shortened arms and legs, and a long narrow chest. The signs and symptoms of this condition can vary from life threatening to mild. Signs and symptoms may include worsening abnormal curvature of the spine (scoliosis and kyphosis), flattening of the bones of the spine (platyspondyly),…
Ring chromosome 14
Ring chromosome 14 is a rare chromosome abnormality that causes ring chromosome 14 syndrome (written as r(14) syndrome), which affects many parts of the body. Signs and symptoms of r(14) syndrome vary from person to person but often include distinctive facial features, developmental delay and intellectual disability, autism spectrum disorder, intractable (hard to control) epilepsy, and…
Orofaciodigital syndrome 14
The following summary is from Orphanet, a European reference portal for information on rare diseases and orphan drugs. Orpha Number: 434179 Definition Orofaciodigital syndrome type 14 is a rare subtype of orofaciodigital syndrome, with autosomal recessive inheritance and C2CD3 mutations, characterized by severe microcephaly, trigonocephaly, severe intellectual disability and micropenis, in addition to oral, facial…
Chromosome 16p deletion
Chromosome 16p deletion is a chromosome abnormality that occurs when there is a missing (deleted) copy of genetic material on the short arm (p) of chromosome 16. The severity of the condition and the signs and symptoms depend on the size and location of the deletion and which genes are involved. Features that often occur…
Ring chromosome 20
Ring chromosome 20 is a chromosome abnormality that affects the development and function of the brain. People with ring chromosome 20 often have recurrent seizures or epilepsy. Other symptoms might include intellectual disability, behavioral difficulties, growth delay, short stature, a small head (microcephaly), and characteristic facial features. Ring chromosome 20 is caused by an abnormal chromosome…
Trisomy 2 mosaicism
Trisomy 2 mosaicism is a rare chromosome disorder characterized by having an extra copy of chromosome 2 in a proportion, but not all, of a person’s cells. Many cases of trisomy 2 mosaicism result in miscarriage during pregnancy. In infants born with trisomy 2 mosaicism, severity as well as signs and symptoms vary widely. Features…
Ring chromosome 4
The following summary is from Orphanet, a European reference portal for information on rare diseases and orphan drugs. Orpha Number: 1447 Definition Ring chromosome 4 syndrome is an autosomal anomaly characterized by variable clinical features, most commonly including significant intrauterine and postnatal growth retardation, developmental delay, intellectual disability, microcephaly, and dysmorphic facial features. Some less…
Pityriasis lichenoides et varioliformis acuta
Pityriasis lichenoides et varioliformis acuta (PLEVA) is the acute form of an inflammatory skin condition called pityriasis lichenoides. People with PLEVA may develop a few to more than one hundred scaling papules which may become filled with blood and/or pus, or erode into crusted red-brown spots. Papules may itch or burn, and some people may…
Chromosome 8q deletion
Chromosome 8q deletion is a chromosome abnormality that occurs when there is a missing copy of the genetic material located on the long arm (q) of chromosome 8. The severity of the condition and the signs and symptoms depend on the size and location of the deletion and which genes are involved. Features that often…
Potassium aggravated myotonia
Potassium aggravated myotonia is a group of diseases that causes tensing and stiffness (myotonia) of skeletal muscles, which are the muscles used for movement. The three types of potassium-aggravated myotonia include myotonia fluctuans, myotonia permanens, and acetazolamide-sensitive myotonia.[1] Potassium aggravated myotonia is different from other types of myotonia because symptoms get worse when an affected individual eats food that…
Chudley-Mccullough syndrome
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Necrotizing fasciitis
Necrotizing fasciitis is a serious infection of the skin, the tissue just beneath the skin (subcutaneous tissue), and the tissue that covers internal organs (fascia). Necrotizing fasciitis can be caused by several different types of bacteria, and the infection can arise suddenly and spread quickly. Early signs include flu-like symptoms and redness and pain around…
Non-involuting congenital hemangioma
Non-involuting congenital hemangioma (NICH) is a rare type of infantile hemangioma, which is a tumor that forms from the abnormal growth of blood vessels in the skin. NICH looks like an oval, purplish mark or bump that can occur on any part of the body. NICH is present from birth (congenital) and increases in size as…
Juberg-Hayward syndrome
The following summary is from Orphanet, a European reference portal for information on rare diseases and orphan drugs. Orpha Number: 2319 Definition Juberg-Hayward syndrome is a polymalformative syndrome that associates multiple skeletal anomalies with microcephaly, facial dysmorphism, urogenital anomalies and intellectual deficit. Visit the Orphanet disease page for more resources.
Spastic paraplegia 39
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Oncogenic osteomalacia
Oncogenic osteomalacia is characterized by the development of a tumor that causes the bones to be weakened.[1] This occurs when a tumor secretes a substance called fibroblast growth factor 23 (FGF23). FGF23 inhibits the ability of the kidneys to absorb phosphate.[2] Phosphate is important for keeping bones strong and healthy. Therefore, this disease is characterized by a softening and weakening…
Familial colorectal cancer
Familial colon cancer is a cluster of colon cancer within a family. Most cases of colon cancer occur sporadically in people with little to no family history of the condition. Approximately 3-5% of colon cancer is considered “hereditary” and is thought to be caused by an inherited predisposition to colon cancer that is passed down through a…
Ovarian sex cord tumor with annular tubules
An ovarian sex cord tumor with annular tubules (SCTAT) is a tumor that grows from cells in the ovaries known as sex cord cells. As these cells grow, they form tube-like shapes in the tumor.[1] SCTATs can develop in one or both ovaries, and may cause symptoms such as puberty at an exceptionally young age (precocious…
Cone-rod dystrophy 2
Cone-rod dystrophy 2 (CORD2) is an inherited eye disorder that affects the rod and cone cells in the retina. These cells process light and allow people to see the accurate shape and color of objects.[1] Initial signs and symptoms of CORD2 usually occur in early childhood or late adolescence and include decreased sharpness of vision (visual…
PARC syndrome
The following summary is from Orphanet, a European reference portal for information on rare diseases and orphan drugs. Orpha Number: 2825 Definition PARC syndrome is a rare genetic developmental defect during embryogenesis syndrome characterized by the association of congenital poikiloderma (P), generalized alopecia (A), retrognathism (R) and cleft palate (C). There have been no further…
Congenital hepatic fibrosis
Congenital hepatic fibrosis is a rare disease of the liver that is present at birth. Symptoms include the following: a large liver, a large spleen, gastrointestinal bleeding caused by varices, increased pressure in the blood vessels that carry blood to the liver (portal hypertension), and scar tissue in the liver (fibrosis). Isolated congenital hepatic fibrosis is…
Congenital pulmonary alveolar proteinosis
Congenital pulmonary alveolar proteinosis is a rare form of respiratory failure that is present from birth.[1] In this condition, a substance made up of fat and protein (surfactant) builds up in the air sacs (alveoli) of the lungs, making breathing difficult.[1] Symptoms typically begin the newborn period and get worse over time. Congenital pulmonary alveolar proteinosis…
Congenital toxoplasmosis
The following summary is from Orphanet, a European reference portal for information on rare diseases and orphan drugs. Orpha Number: 858 Definition Congenital toxoplasmosis (CTX) is an embryo-fetopathy characterized by ocular, visceral or intracranial lesions secondary to maternal primo-infection by Toxoplasma gondii (Tg). Epidemiology Given its infectious origin, incidence of CTX is variable over time…
Rutherfurd syndrome
The following summary is from Orphanet, a European reference portal for information on rare diseases and orphan drugs. Orpha Number: 2709 Definition Oculodental syndrome, Rutherfurd type is a rare genetic disorder that is primarily characterized by the classical triad of gingival fibromatosis, non-eruption of tooth and corneal dystrophy (bilateral corneal vascularization and opacity). Abnormally shaped…
Leigh syndrome, French Canadian type
The following summary is from Orphanet, a European reference portal for information on rare diseases and orphan drugs. Orpha Number: 70472 Definition Saguenay-Lac-St. Jean (SLSJ) type congenital lactic acidosis, a French Canadian form of Leigh syndrome (see this term), is a mitochondrial disease characterized by chronic metabolic acidosis, hypotonia, facial dysmorphism and delayed development. Epidemiology…
Kyphoscoliotic Ehlers-Danlos syndrome
Kyphoscoliotic Ehlers-Danlos syndrome is an inherited connective tissue disorder that is caused by defects in a protein called collagen. Common signs and symptoms include hyperextensible skin that is fragile and bruises easily; joint hypermobility; severe hypotonia at birth; progressive kyphoscoliosis (kyphosis and scoliosis); and fragility of the sclera.[1][2] kyphoscoliosis EDS is caused by changes (mutations) in…
Fetal cystic hygroma
Fetal cystic hygroma is a congenital malformation of the lymphatic system. The lymphatic system is a network of vessels that maintains fluids in the blood, as well as transports fats and immune system cells. Cystic hygromas are single or multiple cysts found mostly in the neck region. In the fetus, a cystic hygroma can progress…
Heavy metal poisoning
Heavy metal poisoning refers to when excessive exposure to a heavy metal affects the normal function of the body.[1] Examples of heavy metals that can cause toxicity include lead, mercury, arsenic, cadmium, and chromium.[1] Exposure may occur through the diet, from medications, from the environment, or in the course of work or play.[2] Heavy metals…
Spondyloepimetaphyseal dysplasia Strudwick type
The following summary is from Orphanet, a European reference portal for information on rare diseases and orphan drugs. Orpha Number: 93346 Definition Spondyloepimetaphyseal dysplasia congenita, Strudwick type is characterized by disproportionate short stature from birth (with a very short trunk and shortened limbs) and skeletal abnormalities (lordosis, scoliosis, flattened vertebrae, pectus carinatum, coxa vara, clubfoot,…
Hemi 3 syndrome
The following summary is from Orphanet, a European reference portal for information on rare diseases and orphan drugs. Orpha Number: 2128 Definition Isolated hemihyperplasia is a rare overgrowth syndrome characterized by an asymmetric regional body overgrowth, involving at least one limb, and associated with an increased risk of developing embryonal tumors, principally nephroblastoma (see this…
Nathalie syndrome
The following summary is from Orphanet, a European reference portal for information on rare diseases and orphan drugs. Orpha Number: 2663 Definition A rare, genetic developmental defect during embryogenesis disorder characterized by sensorineural hearing impairment, childhood-onset cataract, underdeveloped secondary sexual characteristics, spinal muscular atrophy, growth retardation, and cardiac and skeletal anomalies. Sudden death, as well…
Tibia absent polydactyly arachnoid cyst
The following summary is from Orphanet, a European reference portal for information on rare diseases and orphan drugs. Orpha Number: 3328 Definition Tibia absent polydactyly arachnoid cyst syndrome is a very rare constellation of multiple anomalies, including absence or hypoplasia of the tibia. Epidemiology It has been described in 3 sibs (two males and one…
Deafness-lymphedema-leukemia syndrome
Deafness-lymphedema-leukemia syndrome is a very rare genetic disorder characterized by swelling (lymphedema), a weak immune system (immunodeficiency), and blood disorders. Signs and symptoms may include congenital deafness, swelling of the legs and genitalia, a type of cancer known as acute myeloblastic leukemia, reduction of the blood cells (pancitopenia), scarring of the liver (cirrhosis), heart problems…
Acrofacial dysostosis Catania type
The following summary is from Orphanet, a European reference portal for information on rare diseases and orphan drugs. Orpha Number: 1786 Definition A very rare acrofacialdysostosis characterized by mild intrauterine growth retardation (IUGR), postnatal short stature, microcephaly, widow’s peak, mandibulofacial dysostosis without cleft palate, frequent caries, mild preand postaxial limb hypoplasia with brachydactyly, mild interdigital…
Dextrocardia with situs inversus
Dextrocardia with situs inversus is a condition that is characterized by abnormal positioning of the heart and other internal organs. In people affected by dextrocardia, the tip of the heart points towards the right side of the chest instead of the left side. Situs inversus refers to the mirror-image reversal of the organs in the…
Diaphragmatic flutter
Diaphragmatic flutter is a disease in which there are repeated involuntary contractions of the diaphragm, the muscle that separates the heart and lungs from the abdomen. The abnormal flutter of the diaphragm affects the way the lungs can expand and contract during breathing.[1] Symptoms of diaphragmatic flutter may include difficulty breathing, abdominal pain, heart palpitations,…
Naguib-Richieri-Costa syndrome
The following summary is from Orphanet, a European reference portal for information on rare diseases and orphan drugs. Orpha Number: 2211 Definition Hypertelorism-hypospadias-polysyndactyly syndrome is a very rare syndrome associating an acro-fronto-facio-nasal dysostosis with genitourinary anomalies. Epidemiology It has been described in three families. Clinical description Craniofacial manifestations include wide anterior fontanel, flat occiput, hypertelorism,…
Acute respiratory distress syndrome
Acute respiratory distress syndrome (ARDS) is a life-threatening lung condition that prevents enough oxygen from getting to the lungs and into the blood. [1] People who develop ARDS often are very ill with another disease or have major injuries.[2] The condition leads to a buildup of fluid in the air sacs which prevents enough oxygen from passing into the bloodstream….
Double uterus-hemivagina-renal agenesis
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Potocki-Lupski syndrome
Potocki-Lupski syndrome (PTLS) is a genetic disorder characterized by the presence of an extra copy of a tiny portion of chromosome 17 (duplication of 17p11.2). People with this duplication often have some degree of developmental delay (primarily speech delay), low muscle tone, poor feeding, and failure to thrive during infancy. In addition, many individuals display…
Thanatophoric dysplasia
Thanatophoric dysplasia is a severe skeletal disorder characterized by extremely short limbs and folds of extra skin on the arms and legs. Other features of this condition include a narrow chest, short ribs, underdeveloped lungs, and an enlarged head with a large forehead and prominent, wide-spaced eyes. Most infants with thanatophoric dysplasia are stillborn or…
Autosomal dominant tubulointerstitial kidney disease due to UMOD mutations
Autosomal dominant tubulointerstitial kidney disease due to UMOD mutations (ADTKD–UMOD) is an inherited disorder that causes a gradual loss of kidney function that eventually leads to the need for kidney transplantation or dialysis between the ages of 30 and 70. Patients with ADTKD-UMOD have high blood levels of uric acid before kidney failure develops, and…
Phaeohyphomycosis
Phaeohyphomycosis refers to fungal infections caused by dematiaceous (darkly pigmented) fungi. It can be associated with a variety of clinical syndromes including invasive sinusitis; nodules or abscesses beneath the skin; keratitis; lung masses; osteomyelitis; mycotic arthritis; endocarditis; brain abscess; and wide-spread infection.[1][2] Although the condition can affect anyone, it is most commonly diagnosed in people…
Scholte syndrome
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Syndromic microphthalmia, type 3
Syndromic microphthalmia, type 3 is a rare condition that affects the eyes and other parts of the body. Babies with this condition are generally born without eyeballs (anophthalmia) or with eyes that are unusually small (microphthalmia). Both of these abnormalities can be associated with severe vision loss. Other signs and symptoms of syndromic microphthalmia, type…
GNAO1 encephalopathy
GNAO1 encephalopathy is a rare neurologic disorder that causes developmental delay, early infantile seizures, and abnormal movements. Specific symptoms may include seizures that start early in childhood, severe intellectual disability, poor muscle tone (hypotonia), irregular muscle contractions (chorea), and involuntary movements of the face and tongue (dyskinesia).[1][2] The severity of symptoms can vary. Symptoms may be…
Lelis syndrome
The following summary is from Orphanet, a European reference portal for information on rare diseases and orphan drugs. Orpha Number: 140936 Definition Lelis syndrome is characterised by the association of ectodermal dysplasia (hypotrichosis and hypohidrosis) with acanthosis nigricans. Epidemiology So far, only eight cases have been described in the literature. Clinical description Other clinical features…
Primary pigmented nodular adrenocortical disease
The following summary is from Orphanet, a European reference portal for information on rare diseases and orphan drugs. Orpha Number: 189439 Definition Primary pigmented nodular adrenocortical disease (PPNAD) is a form of bilateral adrenocortical hyperplasia that is often associated with adrenocorticotrophin hormone (ACTH) independent Cushing syndrome (see this term) and is characterized by small to…
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