Some of these additional tests may include a WBC differential, a blood smear review, or in severe conditions, a bone marrow examination. A differential may indicate which type of WBC is low or high while a blood smear and/or bone marrow biopsy can reveal the presence of abnormal and/or immature WBCs. ^ Back to top.
The most common types are dermatomyositis, polymyositis, necrotising autoimmune myopathy and sporadic inclusion body myositis (IBM). Although dermatomyositis affects the skin and muscles, it may also affect other parts of the body such as joints, oesophagus, lungs and heart.
A answered. The simple form of black lung disease, or coal miner's pneumoconiosis, usually exhibits no symptoms. However, people with black lung disease who suffer from other pulmonary diseases may experience coughing or shortness of breath. If the disease progresses to its more serious form, known as progressive massive fibrosis, more disabling coughing and shortness of breath can result. About 1 percent to 2 percent of all people with simple black lung disease will progress to progressive massive fibrosis.