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Items: 7

1.

Hyperparathyroidism 2 with jaw tumors

The spectrum of CDC73-related disorders includes the following phenotypes: Hyperparathyroidism-jaw tumor (HPT-JT) syndrome. Primary hyperparathyroidism, the main finding of HPT-JT syndrome, occurs in up to 95% of affected individuals; onset is typically in late adolescence or early adulthood. HPT-JT-associated primary hyperparathyroidism is usually caused by a single parathyroid adenoma. In approximately 10%-15% of individuals, primary hyperparathyroidism is caused by parathyroid carcinoma. Ossifying fibromas of the mandible or maxilla, also known as cementifying fibromas and cemento-ossifying fibromas, occur in 30%-40% of individuals with HPT-JT syndrome. Although benign, these tumors can be locally aggressive and may continue to enlarge if not treated. Approximately 20% of individuals with HPT-JT syndrome have kidney lesions, most commonly cysts; renal hamartomas and (more rarely) Wilms tumor have also been reported. Benign and malignant uterine tumors appear to be common in women with HPT-JT syndrome. Parathyroid carcinoma. Most parathyroid carcinomas are functional, resulting in hyperparathyroidism and a high serum calcium level; however, nonfunctioning parathyroid carcinomas are also rarely described in individuals with a CDC73-related disorder. A germline CDC73 pathogenic variant has been identified in 20%-29% of individuals with apparently sporadic parathyroid carcinoma. Familial isolated hyperparathyroidism (FIHP). FIHP is characterized by primary hyperparathyroidism without other associated syndromic features. Individuals with CDC73-related FIHP tend to have a more severe clinical presentation and younger age of onset than individuals with FIHP in whom a CDC73 pathogenic variant has not been identified. [from GeneReviews]

MedGen UID:
310065
Concept ID:
C1704981
Neoplastic Process
2.

Partial lipodystrophy, congenital cataracts, and neurodegeneration syndrome

Lipodystrophies are rare disorders characterized by loss of body fat from various regions and predisposition to metabolic complications of insulin resistance and lipid abnormalities. FPLD7 is an autosomal dominant disorder with a highly variable phenotype. Additional features, including early-onset cataracts and later onset of spasticity of the lower limbs, have been noted in some patients (summary by Garg et al., 2015). For a general phenotypic description and a discussion of genetic heterogeneity of familial partial lipodystrophy (FPLD), see 151660. [from OMIM]

MedGen UID:
813897
Concept ID:
C3807567
Disease or Syndrome
3.

Hyperlipoproteinemia, type 1D

Hyperlipoproteinemia type ID is a rare autosomal recessive disorder characterized by impaired clearance of triglyceride (TG)-rich lipoproteins in plasma, leading to severe hypertriglyceridemia (chylomicronemia). Clinical features include eruptive xanthomas, lipemia retinalis, hepatosplenomegaly, episodes of abdominal pain, and pancreatitis. Onset usually occurs in adulthood (summary by Brahm and Hegele, 2013). For a discussion of genetic heterogeneity of familial chylomicronemia, see 238600. [from OMIM]

MedGen UID:
863204
Concept ID:
C4014767
Disease or Syndrome
4.

GCGR-related hyperglucagonemia

Mahvash disease (MVAH) is an autosomal recessive disorder caused by inactivating mutations in the glucagon receptor, leading to alpha-cell hyperplasia of the pancreas, hyperglucagonemia without glucagonoma syndrome, and occasional hypoglycemia. The disease may lead to glucagonomas and/or primitive neuroectodermal tumors (PNETs). [from OMIM]

MedGen UID:
1677024
Concept ID:
C4763635
Disease or Syndrome
5.

Trichohepatoneurodevelopmental syndrome

Trichohepatoneurodevelopmental syndrome is a complex multisystem disorder characterized by woolly or coarse hair, liver dysfunction, pruritus, dysmorphic features, hypotonia, and severe global developmental delay (Morimoto et al., 2018). [from OMIM]

MedGen UID:
1648322
Concept ID:
C4748898
Disease or Syndrome
6.

Chylomicronemia, familial, due to circulating inhibitor of lipoprotein lipase

MedGen UID:
348391
Concept ID:
C1861560
Disease or Syndrome
7.

Recurrent pancreatitis

A recurrent form of pancreatitis. [from HPO]

MedGen UID:
1639431
Concept ID:
C4551632
Disease or Syndrome
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