Primary cutaneous plasmablastic lymphoma revealing clinically unsuspected HIV infection.

Plasmablastic lymphoma is a rare subtype of diffuse large B-cell lymphoma more frequently diagnosed in immunosuppressed patients, mainly HIV-infected. Primary cutaneous plasmablastic lymphoma is extremely rare, and in this patient it was the first clinical manifestation of unsuspected HIV-infection.

Trichobacteriosis: case report and dermoscopic study.

The authors report a case of axillary trichobacteriosis in a 16 year-old patient whose complaints were bromhidrosis and hyperhidrosis axillaris. Although it can be diagnosed clinically, dermoscopy may be useful in some cases and reveal remarkable academic images.

Pseudoporphyria induced by dialysis treated with oral N-acetylcysteine.

Pseudoporphyria is a rare bullous dermatosis that clinically and histopathologically is similar to porphyria cutanea tarda. It mainly affects patients with chronic renal failure on peritoneal dialysis or hemodialysis. Medications can also be involved in the etiology.

[Association between skin tags and insulin resistance].

Background: Skin tags are dermatological lesions commonly found in the general population and have been associated with diabetes mellitus, obesity, insulin resistance and atherosclerosis. Early detection of patients with insulin resistance may play an important preventive role.

Objective: To evaluate the association between skin tags in the neck or axillary regions and insulin resistance.