Gene/Protein Disease Symptom Drug Enzyme Compound
Pivot Concepts:   Target Concepts:
Query: UMLS:C0027960 (mole)
 21,279 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

A 65-year-old Japanese male suffered from numerous brownish papules on his back for 6 months. Clinical appearance resembled seborrheic keratosis, but light microscopic examination revealed epidermolytic hyperkeratosis. Electron findings were the same as those of epidermolytic hyperkeratosis and systemic nevus verrucosus. It may be concluded that this type of skin disease is an acquired epidermolytic hyperkeratosis.
 ...
PMID:Disseminated epidermolytic acanthoma. 50 Aug 73

Four cases of lichen striatus (L.S.) with nail involvement were studied and the four cases published previously reviewed. There are several types of nail dystrophy: fraying, longitudinal ridging, splitting and shredding, onycholysis, and total nail loss. All of them are transient and can be explained by the pathologic changes observed, particulary the transitory disruption of the basal layer. Lichen striatus must be differentiated from systematized eruptions such as lichen planus (the simultaneous occurrence of L.S. and lichen planus is extremely rare and the resemblance of one dermatosis to the other can be so pronounced that a differential diagnosis is difficult) linear localized neurodermatitis, linear psoriasis (almost always associated with more typical lesions of psoriasis elsewhere on the body), linear keratosis follicularis (histologically typical of Darier's disease) and linear epidermal nevus which occasionaly does not appear at birth but later in life and may present nail involvement. In some cases, however, clinical similarity of the inflammatory linear verrucose epidermal nevus to lichen striatus is striking.
 ...
PMID:[Lichen striatus with nail involvement. Report of 4 cases and review of the 4 cases in the literature (author's transl)]. 53

A retrospective study of bioptic material was used to design the following outline of a histological classification of epithelial skin tumours tentatively compared with handbooks published by the WHO (1) and AFIP (2): I. Tumour-like changes: 1. senile verruca (mixed, acanthotic, melanoacanthotic, hyperkeratonic, reticular, inverted). 2. Virus verrucosities (v. vulgaris, v. plana, c. accuminatum, molluscom contagiosum). 3. Hamartogenic verrucosities (naevus verrucosus, n. comedonicus, fibroepithelial papilloma. 4. Genetically undefined verrucosities (acanthosis nigricans, light cell acanthoma, verrucous dyskeratosis). 5. Cysts (atheroma, epidermoid cyst, dermoid cyst, others). 6. Unclassified. II. Precanceroses: 1. Pseudoepitheliomatous hyperplasis, 2. keratosis senilis, 3. Radiation dermatosis, 4. Unclassified. III. Epithelial tumours A. From surface epithelium 1. Spinocellular carcinoma (basic type, anaplastic, adenoid, sarcomatoid, clear cell carcinoma, intraepidermal). 2. Basocellular carcinoma: a) varieties derived from surface epithelium (intraepithelial, superficial, solid, cystic, invasive), b) varieties with adenoid features (cylindromatous, fibroepithelia), c) varieties with trichoepithelial features (keratinizing, pigment-type, clear cell type), d) naevus varieties (basocellular naevi). 3. Spinobasocellular carcinoma. 4. Unclassifiable. B. Sweat gland tumours: 1. syringocystadenoma papilliferum, 2. hidradenoma papillare, 3. nodular hidradenoma (eccrine spiradenoma, eccrine acrospiroma, myxochondroepithelioma, myoepithelioma, mucinous epithelioma), 4. syringoma, 5. eccrine cylindroma, 6. hidrocystoma, 7. eccrine poroma, 8. carcinomas (so called extramammary Paget carcinoma), 9. unclassifiable. C. Sebaceous gland tumours: 1. adenoma sebaceum, 2. carcinoma sebaceum, 3. quasi tumours (naevus sebaceus, Pringle's hamartoma, steatocystoma multiplex, hyperplasia), 4. unclassifiable. D. Trichoepithelial tumours: 1. trichofolliculoma, 2. follicular poroma, 3. keratoacanthoma, 4. tricholemoma, 5. pilomatrixoma, 6. trichogenic adnexal tumour, 7. trichoepithelioma, 8l unclassifiable.
 ...
PMID:[Epithelial tumor-like changes, precancerous conditions and skin neoplasms (standardization study)]. 100 15

Becker melanosis is a dermatosis characterized by hyperpigmentation and hypertrichosis in absence of cells nevus; its frequency is unknown an its presentation is rare in the infancy; appearance usually during puberty. In the last years its association to anomalies of development increase the importance of this entity. We present the case of 4 years old girl considered the youngest report in the literature, with affection of trunk and right leg associated to minimum shorten of right leg.
 ...
PMID:[Becker's melanosis: a case report]. 146 76

The woolly hair nevus is a very rare disease that only occurs sporadically. So far, approximately 48 patients with woolly hair nevus have been described in the world literature. Both sexes are equally affected. Mostly, the dermatosis manifests itself from birth or within the first 2 years of life. Up to 5 circumscribed areas with clearly lighter curly hairs can be observed. About 50% of the patients present a linear epidermal nevus at the same time. Microscopically, the hair shaft diameter of the woolly hair is significantly reduced. Next to oval structures the cross-sections of the hair often show triangular and irregular forms. Furthermore, pili canaliculi and pili torti as well as circumscribed cuticula defects can be observed. We present a 5-year-old boy, who manifested 4 woolly hair nevi on the capillitium in the 9th month of life. From the 2nd year of life onwards he developed a linear epidermal nevus. The ophthalmological examination showed a persistent pupillary membrane. Based on this case and a bibliographical overview, the light and electron microscopical peculiarities are presented.
 ...
PMID:[Multiple woolly hair nevi with linear epidermal nevus and persistent pupillary membrane]. 150 3

A patient appeared to have von Recklinghausen type I neurofibromatosis, but her numerous cutaneous tumors were intradermal nevi and not neurofibromas. The patient had hundreds of 1- to 3-cm firm, flesh-colored, dome-shaped papules and pedunculated nodules on her buccal mucosa, eyelids, face, extremities, and trunk as well as a large, confluent, cerebriform tumor extending from the 12th thoracic vertebra to the sacrum. No cafe au lait macules, freckles, or Lisch nodules were present. Several hundred lesions were removed using the carbon dioxide laser. Histopathologic examination of all of the lesions revealed all of them to be intradermal nevi. Our patient's skin disease was clinically very similar to neurofibromatosis. We suggest our patient represents a distinct clinical entity that is related to environmental factors or a mutation that affected nevoblasts or melanoblasts and their derivatives during early embryo development.
 ...
PMID:Abnormal nevoblast migration mimicking neurofibromatosis. 195 80

Classic mathematical methods are frequently not suitable for the investigation of complex "natural" shapes, that cannot be approximated by geometric structures. A theory developed by Mandelbrot has made it possible to analyse such "fractals". Many biological and medical shapes could be identified as fractal. These results suggest fractal structures for some dermatological lesions. This is particularly true for skin lesions related to the vascular system (e.g., livedo racemosa, spider naevus). Furthermore, computer simulation of pathogenetic mechanisms can demonstrate that the lesions of a skin disease are fractal in nature. This method can be applied to skin tumours with horizontal cell growth (e.g., carcinoma and melanoma in situ) and to the architecture of spider naevus.
 ...
PMID:[The fractals theory and its significance for dermatology]. 220 3

A 60-year-old male patients with an extremely rare condition, Laugier's disease (idiopathic lenticular pigmentation of buccal and labial mucosa) is described. The clinical picture of the disease is presented, as are results of examination and differential diagnosis of the dermatosis. Possible predisposing (dark skin integument, quite a number of pigmented nevi) and provoking (chronic and acute insolation) factors may be important in elucidating the disease origin.
 ...
PMID:[A case of Laugier's disease]. 227

There are familial forms in 1%-11% of all malignant melanomas. The familial type of malignant melanoma, however, is heterogeneous and not clearly defined. Three groups of familial malignant melanoma may be distinguished: malignant melanoma without additional skin disorders, melanoma associated with disturbances in the pigmentation system (including albinism, congenital nevi, and the dysplastic nevus syndrome), and malignant melanoma in other forms of genodermatosis. The most frequent variant of familial malignant melanoma is dysplastic nevus syndrome (a skin disease whose biologic and clinic importance has been fully recognized in the past decade).
 ...
PMID:[Which malignant melanomas are genetically determined?]. 306 87

A patient with subdural hygroma in the perinatal period developed into a right hand sided spastic hemiplegia with epileptic seizures and intellectual deficit. On the age of 17 years a linear dermatosis that proved to be a naevus unislateris was remarked. The combination of linear nevi and neurological deficit is known as the epidermal nevus syndrome.
 ...
PMID:Linear cutaneous lesions and neurological deficit. A case report. 632 76


1 2 3 4 5 6 7 8 Next >>