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Items: 5

1.

Carcinoma

A malignant tumor arising from epithelial cells. Carcinomas that arise from glandular epithelium are called adenocarcinomas, those that arise from squamous epithelium are called squamous cell carcinomas, and those that arise from transitional epithelium are called transitional cell carcinomas (NCI Thesaurus). [from HPO]

MedGen UID:
2867
Concept ID:
C0007097
Neoplastic Process
2.

PC-K6a

Pachyonychia congenita (PC) is an autosomal dominant genodermatosis with the main clinical features of hypertrophic nail dystrophy, painful and highly debilitating plantar keratoderma, oral leukokeratosis, and a variety of epidermal cysts. Although the condition had previously been subdivided clinically into Jadassohn-Lewandowsky PC type 1 and Jackson-Lawler PC type 2, patients with PC were later found to have a mixed constellation of both types, leading to a classification of PC based on genotype (summary by Sybert, 2010; Eliason et al., 2012; McLean et al., 2011). For a discussion of genetic heterogeneity of pachyonychia congenita, see 167200. Historical Classification of Pachyonychia Congenita Gorlin et al. (1976) suggested that 2 distinct syndromes are subsumed under the designation pachyonychia congenita. PC type 1, the Jadassohn-Lewandowsky type, shows oral leukokeratosis. PC type 2, the Jackson-Lawler type, has natal teeth and epidermoid cysts (cylindromas), but no oral leukoplakia. Corneal dystrophy may be a feature exclusively of the Jackson-Lawler type. Smith et al. (1998) stated that PC type 2, in contrast to PC type 1, has minimal oral involvement and milder keratoderma, and multiple steatocystomas (184500) is a major clinical feature. Steatocystoma, also known as eruptive vellus cyst, is a cystic hamartoma lined by sebaceous ductal epithelium. On the basis of a study of 13 patients with PC type 1 or type 2, Terrinoni et al. (2001) concluded that the presence of pilosebaceous cysts following puberty is the best indicator of PC type 2; prepubescent patients are more difficult to classify due to the lack of cysts. Natal teeth are indicative of PC type 2, although their absence does not preclude the PC type 2 diagnosis. [from OMIM]

MedGen UID:
811523
Concept ID:
C3714948
Disease or Syndrome
3.

Spastic paraplegia epilepsy mental retardation

MedGen UID:
356631
Concept ID:
C1866854
Disease or Syndrome
4.

Genitourinary neoplasm

A tumor (abnormal growth of tissue) of the genitourinary system. [from HPO]

MedGen UID:
22583
Concept ID:
C0042065
Neoplastic Process
5.

Prostatic Neoplasms

A benign, borderline, or malignant neoplasm that affects the prostate gland. Representative examples include benign prostate phyllodes tumor, prostatic intraepithelial neoplasia, prostate carcinoma, and prostate sarcoma. [from NCI]

MedGen UID:
18697
Concept ID:
C0033578
Neoplastic Process
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