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.
All of the following restrictive conditions fall under the diagnosis of pneumoconiosis: Black lung disease is predominant in coal miners who inhale coal dust. Farmer's lung is caused by inhaling farm-related dust.hese lung diseases are caused by lung inflammation and scarring, known as pulmonary fibrosis, which cause a decreased ability to hold air in the lungs. Common symptoms of restrictive lung diseases include coughing, shortness of breath, wheezing and chest pain.