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Biomedical subjects

R Baran

Publications and source records attributed to R Baran.

At least 163 records · Page 9Linked to original sources
PubMed1986

[Onycholysis].

Explore the source record for details and available documents.

Cosmetics↗
PubMed1985

Acquired (digital) fibrokeratoma.

Histologic examination of fifty cases of acquired digital fibrokeratoma discloses three histologic variants of these lesions, viz: a tumor composed of thick dense and closely packed collagen bundles, a variant with an increased number of fibroblasts in the cutis, and a type with an edematous and poorly cellular structure. The acquired digital fibrokeratoma is considered as resulting from a neoformation of collagen by the fibroblasts. The acanthosis of the epidermis is probably secondary to the dermal alteration.

Adolescent↗
PubMed1985

Melanonychia induced by topical 5-fluorouracil.

Melanonychia was induced by the topical application of 5-fluorouracil in the treatment of periungual warts affecting two fingers. The pigmentation, involving the lunula of the nails of all fingers, was identical to that induced by systemically administered cytotoxic drugs.

Aged↗
PubMed1984

Bullae in skin grafts.

We describe eight patients with grafted leg ulcers, in whom subepidermal bullous lesions appeared after 4-8 weeks either at the donor or the grafted site. The blisters were seen in the centre as well as just outside the graft. They remained for some days and then disappeared. Histology revealed a normal epidermis and a dermis with a moderate lymphocytic infiltration around the capillaries. No clinical signs of pemphigoid were found and friction does not seem to have been a contributing factor. We have at present no explanation for the appearance of the blisters.

Aged↗
PubMed1984

Periungual lipoma at an unusual site.

A 41-year-old white male presented with a lipoma of the lateral nail fold of his right middle finger. This location seems unique in the literature.

Adult↗
PubMed1984

Abnormal amino acid composition of nails in Bazex's paraneoplastic acrokeratosis.

Bazex's paraneoplastic acrokeratosis is a syndrome with psoriasiform acral hyperkeratosis and nail changes associated with carcinoma of the upper respiratory or alimentary tract. We report here a case where amino acid analysis of the hyperkeratotic and friable nails differed from normal and other diseased nails investigated by us, but they were similar to those reported in trichothiodystrophy or the BIDS syndrome.

Amino Acids↗