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Biomedical subjects

S Dalac

Publications and source records attributed to S Dalac.

At least 55 records · Page 3Linked to original sources

Photoallergy to hexamidine.

This report details the case of an atopic patient showing a photosensitivity caused by a hexamidine solution. Patch tests were negative but photopatch tests to hexamidine in water solution were positive, after irradiation by ultraviolet A (UVA); all control tests were negative. It is well-known that hexamidine can induce contact allergy but this case was the first reported in which UVA was implicated. This photoallergy can be explained by the structure of the hexamidine molecule, but the question is: why has there never been such a case reported before?

Adult↗

[Association of sarcoidosis and Waldenström's macroglobulinemia].

Sarcoidosis is seldom associated with Waldenström's macroglobulinaemia. We report the case of a 58-year old woman, 7 years after cutaneous and pulmonary sarcoidosis had begun, developed Waldenström's macroglobulinaemia. Chlorambucil was effective on both diseases. The possibility of reactive sarcoidotic granulomas in neoplastic diseases may cast doubts on the reality of the sarcoidosis-malignant haemopathy association. However, most authors consider that such associations are not fortuitous and can be explained by the immunological abnormalities observed in patients with sarcoidosis.

Chlorambucil↗

Dermatitis herpetiformis associated with ulcerative colitis.

Over the past 20-years, it has been shown that the majority of patients with dermatitis herpetiformis (D.H.) suffer from coeliac disease of varying intensity. Dermatitis herpetiformis may also be associated with other autoimmune diseases but only exceptionally with chronic ulcerative colitis (U.C.).

Adult↗