Association of mastocytosis with inflammatory joint diseases: a series of 31 patients.

Objectives: We studied the clinical phenotypes and tolerance to treatments in a series of patients affected by both inflammatory joint diseases and mastocytosis.

Methods: This retrospective multicenter study was conducted on behalf of 3 networks focused on mastocytosis, pediatric, and adults' inflammatory joint diseases. Patients who displayed both mastocytosis and inflammatory joint diseases were included.

Whipple disease revealed by lung involvement: a case report and literature review.

We report the case of a man with a history of intermittent fever and arthritis who presented with a dry cough and associated lung involvement, who was eventually given the diagnosis of Whipple disease. The pulmonary symptoms preceded the development of GI manifestations. Five years later, periodic acid-Schiff (PAS)-positive macrophages were identified in duodenal biopsy specimens and polymerase chain reaction for Tropheryma whipplei was positive in the duodenum, stools, saliva, and cerebrospinal fluid.

Lupus attributable to anti-TNF therapy and revealed by interstitial granulomatous dermatitis.

Interstitial granulomatous dermatitis belongs to the group of aseptic cutaneous granulomas. It is a histopathological entity encountered in various pathological situations, such as polyarthritis including rheumatoid arthritis, but also systemic lupus erythematosus. It may also occur after systemic administration of medication, thus representing a drug-induced, interstitial granulomatous outbreak.