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Results for “HAND DERMATOSES”

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At least 1,297 records · Page 72Linked to original sources
PubMed1990

Elevated plasma histamine levels in systemic sclerosis (scleroderma).

Systemic sclerosis is characterized by excessive deposition of collagen and other matrix proteins in the skin and internal organs. One hypothesis supports fibroblast stimulation for production of excess amounts of collagen by factors present in the blood or released by cells composing inflammatory tissue infiltrates. Increased numbers of mast cells are present in the involved skin of patients with systemic sclerosis, and histamine has been thought to be a possible mediator of fibrosis in this and other fibrotic conditions. We therefore measured plasma histamine levels in 32 patients with systemic sclerosis and found elevated levels in 18 patients (56%). Elevated plasma histamine levels were more common in patients with diffuse disease (74%), in contrast to limited disease (31%). The degree of clinical activity and the duration of disease could not be correlated with histamine levels.

Adult↗
PubMedDate not supplied

[Evaluation of surgical treatment of keratoacanthoma].

From 1973 to 1988 in the Dermatological Surgery Unit of the 1st Department of Dermatology of the Silesian School of Medicine in Katowice 82 patients were treated surgically for keratoacanthoma. In 76 patients the defect was closed by simple bringing closer the edges or by local plastic surgery, in 6 patients it was covered with free full-thickness skin grafts. The preparations of the excised tumors from various places were examined histologically. In three cases the texture of carcinoma spinocellulare was found in the base of the tumor. In 98% of the patients the wounds healed by first intention.

Adult↗
PubMed1989

A double-blind study of ultraviolet phototherapy in the prophylaxis of chilblains.

A randomized, double-blind study was carried out to assess the prophylactic value of ultraviolet irradiation in the autumn as a means of preventing the development of chilblains on the toes and fingers during the course of the winter. Placebo irradiation was achieved by means of an optical filter which absorbed all ultraviolet radiation from the lamps but allowed the visible light component to be transmitted, thus giving patients the impression that both limbs were being treated. Patients were reviewed at monthly intervals during the winter. The response between patients was variable; some patients developed chilblains whilst others remained symptom free. However, in no patient did the ultraviolet treated limb differ from the untreated limb. We conclude that the ultraviolet phototherapy is of no value in the prophylaxis of chilblains.

Chilblains↗
PubMedDate not supplied

[Papulonecrotic tuberculide. Presentation of 4 cases].

Four young patients simultaneously affected by morphological variations of papulonecrotic tuberculid and lymphnode and pulmonary tuberculosis (three cases) are reported. The clinical, therapeutic, histological and immunological aspects of papulous tuberculid are discussed and the different diagnostic approaches to this rare disease are evaluated.

Adult↗
PubMedDate not supplied

[Allergic contact eczema to ninhydrin].

Use of a surgical marking pen to indicate test areas on the skin during epicutaneous evaluation caused eczema in three female patients undergoing patch testing. Close scrutiny of the individual components of this surgical marking pen revealed contact dermatitis to ninhydrine, a substance whose allergenic potential has hardly been noted in the relevant literature.

Adult↗
PubMed1979

Palmar-plantar lichen sclerosus et atrophicus.

A 57-year-old woman has had lichen sclerosus et atrophicus confined to the palms and soles for the past six years. Diagnosis was confirmed by histologic study. Our patient's disease has been resistant to therapy.

Biopsy↗