[Pulmonary function in rheumatoid arthritis in a Tunisian population].

Background: The rheumatoid polyarthritis (PR) is a frequent pathology in Tunisia. The most frequent extra articular expression of this disease is in the respiratory tract.

Aim: To determine the lung functional profile of PR of the Tunisian population by establishing possible relations between ventilatory variables and clinico-biological parameters of PR.

[Ocular ochronosis. A case report].

Ochronosis or alkaptonuria is a rare inherited disease. It is characterized by the deposition of dark pigments in collagen-rich tissues, which leads to clinical manifestations such as arthropathy. The ochronotic pigment can be found in the sclera, the conjunctiva, and the limbic cornea.