[Joint symptoms in primary hypertrophic osteoarthropathy].

Joint manifestations of hypertrophic osteoarthropathy are arthritis and arthralgia. Those occur at the all joints, but often at the lower extremities and usually are asymmetric. Swelling of the distal parts of the extremities was found in 52 patients (68.4%). Perimaleolar swelling proceed from periostal accumulation. Swollen fists are present in all patients and that phenomenon is characteristic sign of the disease. Swelling of the joints, perimaleolar edema and swelling of the distal parts of the limbs reminds of the other conditions (tumor, osteomyelitis, lues, Reiter's syndrome, psoriasis, lymphangitis, miksedema, thrombophlebitis, Caffey's disease, Engel's disease, hypervitaminosis A, RA, thyroid acropathia etc.), which must be taken into consideration.