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What is Shrinking lung is a feature of: and explain in detail?
Answer is A (SLE): Shrinking lung syndrome is a pulmonary manifestation of SLE. Shrinking Lung Syndrome Shrinking lung syndrome is a rare manifestation / complication of SLE and is characterized by diaphragmatic weakness or dysfunction. Shrinking lung syndrome is associated with restrictive physiology and abnormalities of ventilation and the absence of ove parenchymal or vascular disease. The restriction is due to weakness of muscles of respiration including the diaphragm - there is selective involvement of diaphragm & respiratory muscles.