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Biomedical subjects

J Bañuls

Publications and source records attributed to J Bañuls.

30 records · Page 2Linked to original sources

Tricoadenoma of Nikolowski.

The patient, aged 50 years, with no relevant clinical history, complained of a symptomless, soft tumor of the right buttock that had been present for many years. On examination, it was found to be pediculate, oval, somewhat erythematous, firm on palpation, and with a central keratin plug. The greatest diameter of the lesion was 1.2 cm (Fig. 1). On surgical removal of the lesion, it was seen to be composed of a symmetric intradermal proliferation of cystic formations, uniformly distributed throughout and made up of flat, pluristratified epithelium with laminated keratin. There was little difference in the thickness of the walls of the cysts (Fig. 2). Some cysts were attached to a short tadpole-shaped, epithelial cord and surrounded by a scanty fibroblastic stroma. No hairmatrix-like differentiation nor basaloid structures were seen, nor were atypical cells present. There was hardly any inflammatory infiltration.

Buttocks↗

Bronchogenic cyst presenting as a nodular lesion.

We report a subcutaneous bronchogenic cyst in a 7-year-old girl with unusual presentation as a nodular lesion. The cyst was excised and no connection with deeper structures was found. Histologic examination showed the typical features of a bronchogenic cyst. The characteristic clinical and histologic features of bronchogenic cysts are reviewed. The problems of differential diagnosis are also discussed.

Bronchogenic Cyst↗

Acute juvenile pityriasis rubra pilaris: a superantigen mediated disease?

Juvenile acute pityriasis rubra pilaris (JAPRP) is a form of pityriasis rubra pilaris (PRP) with particular clinical characteristics and course. It is usually preceded by an infectious condition. We report a boy, initially thought to have Kawasaki disease, and subsequently diagnosed as having JAPRP, who made a satisfactory recovery. In this case, prior antibiotic treatment made it impossible to show the presence of any microorganism. However, the clinical characteristics of these patients and the similarities with other disorders involving the skin that are mediated by superantigens led us to think that these antigens may be involved in the development of this disease. Also, in view of the obvious differences between JAPRP and the other PRP, we suggest that, in the future this disorder may be considered a separate entity as a reactive exanthem.

Acute Disease↗