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Items: 14

1.

TESTICULAR TUMOR, SOMATIC

MedGen UID:
865213
Concept ID:
C4016776
Neoplastic Process
2.

MALIGNANT MELANOMA, SOMATIC

MedGen UID:
864720
Concept ID:
C4016283
Neoplastic Process
3.

pancreatic cancer, somatic

MedGen UID:
854219
Concept ID:
C3836561
Neoplastic Process
4.

Placental sulfatase deficiency

sex linked inherited disease characterized by excessive scaling [from CHV]

MedGen UID:
404049
Concept ID:
C2720163
Disease or Syndrome
5.

Deficiency of steryl-sulfatase

MedGen UID:
403441
Concept ID:
C2717836
Disease or Syndrome
6.

Ichthyosis, X-Linked, Complicated

MedGen UID:
383170
Concept ID:
C2677713
Disease or Syndrome
7.

Granulomatous disease, chronic, X-linked, variant

MedGen UID:
336675
Concept ID:
C1844378
Disease or Syndrome
8.

Chronic granulomatous disease, X-linked

Chronic granulomatous disease is a genetically heterogeneous immunodeficiency disorder resulting from an inability of phagocytes to kill microbes that they have ingested. This impairment in killing is caused by any of several defects in the phagocyte NADPH oxidase (phox) complex, which generates the microbicidal 'respiratory burst' (reviewed by Dinauer et al., 2001 and Johnston, 2001). Genetic Heterogeneity of Chronic Granulomatous Disease Chronic granulomatous disease can be caused by mutations in any 1 of 5 genes encoding structural or regulatory subunits of the phagocyte NADPH oxidase complex. See also autosomal recessive cytochrome b-negative CGD (233690), caused by mutation in the CYBA gene (608508); autosomal recessive cytochrome b-positive CGD type I (233700), caused by mutation in the NCF1 gene (608512); autosomal recessive cytochrome b-positive CGD II (608515), caused by mutation in the NCF2 gene (608515); and autosomal recessive cytochrome b-positive CGD type III (613960), caused by mutation in the NCF4 gene (601488). A similar syndrome, termed neutrophil immunodeficiency syndrome (608203), is caused by mutation in another protein involved in the NADPH oxidase complex, RAC2 (602049). [from OMIM]

MedGen UID:
336165
Concept ID:
C1844376
Disease or Syndrome
9.

Cytochrome B-Positive Granulomatous Disease, Chronic, X-Linked

MedGen UID:
334939
Concept ID:
C1844379
Disease or Syndrome
10.

McLeod neuroacanthocytosis syndrome

McLeod neuroacanthocytosis syndrome (designated as MLS throughout this review) is a multisystem disorder with central nervous system (CNS), neuromuscular, and hematologic manifestations in males. CNS manifestations are a neurodegenerative basal ganglia disease including (1) movement disorders, (2) cognitive alterations, and (3) psychiatric symptoms. Neuromuscular manifestations include a (mostly subclinical) sensorimotor axonopathy and muscle weakness or atrophy of different degrees. Hematologically, MLS is defined as a specific blood group phenotype (named after the first proband, Hugh McLeod) that results from absent expression of the Kx erythrocyte antigen and weakened expression of Kell blood group antigens. The hematologic manifestations are red blood cell acanthocytosis and compensated hemolysis. Allo-antibodies in the Kell and Kx blood group system can cause strong reactions to transfusions of incompatible blood and severe anemia in newborns of Kell-negative mothers. Females heterozygous for XK pathogenic variants have mosaicism for the Kell and Kx blood group antigens but usually lack CNS and neuromuscular manifestations; however, some heterozygous females may develop clinical manifestations including chorea or late-onset cognitive decline. [from GeneReviews]

MedGen UID:
140765
Concept ID:
C0398568
Disease or Syndrome
11.

X-linked ichthyosis with steryl-sulfatase deficiency

Ichthyosis is a genetically heterogeneous disorder of the skin. See, e.g., autosomal dominant ichthyosis vulgaris (146700), which is caused by mutations in the filaggrin gene (FLG; 135940). Ichthyosis can also be observed in multiple sulfatase deficiency (272200) (Shapiro, 1977). X-linked ichthyosis is fundamentally the same disorder as placental steroid sulfatase deficiency, which is often first noted in the pregnant mother of affected males by decreased estrogen or delayed progression of parturition (Alperin and Shapiro, 1997). This is thus an example of affinity ('lumping') of phenotypes thought previously to be separate, the opposite of genetic heterogeneity. Schnyder (1970) gave a useful classification of the inherited ichthyoses. Hernandez-Martin et al. (1999) provided a comprehensive review of X-linked ichthyosis. They pointed out that among all genetic disorders X-linked ichthyosis shows one of the highest ratios of chromosomal deletions; complete deletion has been found in up to 90% of patients. [from OMIM]

MedGen UID:
86937
Concept ID:
C0079588
Disease or Syndrome
12.

Wilms tumor, aniridia, genitourinary anomalies, and mental retardation syndrome

Aniridia is characterized by complete or partial iris hypoplasia usually (but not always) with associated foveal hypoplasia resulting in reduced visual acuity and nystagmus presenting in early infancy. Frequently associated ocular abnormalities (often of later onset) include cataract, glaucoma, and corneal opacification and vascularization. Aniridia may occur either as an isolated ocular abnormality without systemic involvement, caused by mutation of PAX6 or deletion of a regulatory region controlling its expression, or as part of the Wilms tumor-aniridia-genital anomalies-retardation (WAGR) syndrome, with a deletion of 11p13 involving the PAX6 (aniridia) locus and the adjacent WT1 (Wilms tumor) locus. Individuals with deletion of PAX6 and WT1 are at up to a 50% risk of developing Wilms tumor. [from GeneReviews]

MedGen UID:
64512
Concept ID:
C0206115
Disease or Syndrome
13.

Peutz-Jeghers syndrome

Peutz-Jeghers syndrome (PJS) is an autosomal dominant condition characterized by the association of gastrointestinal polyposis, mucocutaneous pigmentation, and cancer predisposition. Peutz-Jeghers-type hamartomatous polyps are most common in the small intestine (in order of prevalence: in the jejunum, ileum, and duodenum) but can also occur in the stomach, large bowel, and extraintestinal sites including the renal pelvis, bronchus, gall bladder, nasal passages, urinary bladder, and ureters. Gastrointestinal polyps can result in chronic bleeding and anemia and also cause recurrent obstruction and intussusception requiring repeated laparotomy and bowel resection. Mucocutaneous hyperpigmentation presents in childhood as dark blue to dark brown macules around the mouth, eyes, and nostrils, in the perianal area, and on the buccal mucosa. Hyperpigmented macules on the fingers are common. The macules may fade in puberty and adulthood. Individuals with Peutz-Jeghers syndrome are at increased risk for a wide variety of epithelial malignancies (colorectal, gastric, pancreatic, breast, and ovarian cancers). Females are at risk for sex cord tumors with annular tubules (SCTAT), a benign neoplasm of the ovaries, and adenoma malignum of the cervix, a rare aggressive cancer. Males occasionally develop large calcifying Sertoli cell tumors (LCST) of the testes, which secrete estrogen and can lead to gynecomastia, advanced skeletal age, and ultimately short stature, if untreated. [from GeneReviews]

MedGen UID:
18404
Concept ID:
C0031269
Disease or Syndrome
14.

Nephroblastoma

Wilms tumor is a rare type of kidney cancer. It causes a tumor on one or both kidneys. It usually affects children, but can happen in adults. Having certain genetic conditions or birth defects can increase the risk of getting it. Children that are at risk should be screened for Wilms tumor every three months until they turn eight. Symptoms include a lump in the abdomen, blood in the urine, and a fever for no reason. Tests that examine the kidney and blood are used to find the tumor. Doctors usually diagnose and remove the tumor in surgery. Other treatments include chemotherapy and radiation and biologic therapies. Biologic therapy boosts your body's own ability to fight cancer. NIH: National Cancer Institute.  [from MedlinePlus]

MedGen UID:
10221
Concept ID:
C0027708
Neoplastic Process
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