Seborrheic dermatitis I. What every physician needs to know. A common chronic disorder, characterized by greasy scales overlying erythematous patches or plaques usually on the scalp, central face, and anterior chest (locations with increased sebaceous gland activity). Little is known about the etiology, but several factors are associated with developing seborrheic dermatitis including hormone levels,…
Myositis I. Problem/Condition. Myositis is characterized by loss of the integrity of skeletal muscles for various reasons. This destruction leads to patients complaining of weakness, fatigue, or pain. There is usually a release of muscle specific enzymes into the bloodstream. II. Diagnostic Approach. A. What is the differential diagnosis for this problem? Myositis can be…
Vertebral osteomyelitis I. What every physician needs to know. Osteomyelitis, an infection of bone, is usually caused by pyogenic bacteria and mycobacteria. Microorganisms can enter the bone by hematogenous dissemination, by spread from a contiguous focus of infection, or by a penetrating wound. Trauma, ischemia, and foreign bodies enhance the susceptibility of bone to microbial…
