During pregnancy, anterior pituitary enlarges but blood supply doesn't... then, during delivery, severe bleeding --> infarction of pituitary. Poor lactation, loss of pubic & axillary hair, fatigue, anorexia.
Assoc with dermatomyositis. Rash over MCP & IP joints.
Assoc with OA in PIP joints
Assoc w/OA in DIP joints
In RA patients, located behind knee
Accumulation of uric acid crystals in chronic gout. Often external ear or Achilles tendon.