title: Solitary mast cell tumor of the lung.
abstract: An extremely rare solitary mast cell tumor of the lung was studied histologically, immunohistochemically, and ultrastructurally. The histologic features of the tumor included nodular growth of well-differentiated mast cells and clear cells with no granules. The current case is the third case of a solitary mast cell tumor (granuloma) of the lung in the literature. Clinicopathologic features of this tumor are compared with the other two cases reported previously in the international literature, and the nature of the clear cells is discussed.
mesh_terms: D000951:Antigens, Neoplasm / Q000032:analysis; D001059:Apoproteins / Q000032:analysis; D003937:Diagnosis, Differential; D006099:Granuloma / Q000175:diagnosis / Q000473:pathology*; D006801:Humans; D007633:Keratins / Q000032:analysis; D008175:Lung Neoplasms / Q000032:analysis / Q000175:diagnosis / Q000473:pathology*; D008297:Male; D008407:Mast Cells / Q000032:analysis / Q000473:pathology*; D012515:Mast-Cell Sarcoma / Q000175:diagnosis / Q000473:pathology; D008562:Membrane Glycoproteins / Q000032:analysis; D008875:Middle Aged; D018396:Mucin-1; D009113:Muramidase / Q000032:analysis; D009363:Neoplasm Proteins / Q000032:analysis; D037661:Pulmonary Surfactant-Associated Proteins; D011663:Pulmonary Surfactants / Q000032:analysis; D000515:alpha 1-Antitrypsin / Q000032:analysis
chemical_list: D000951:Antigens, Neoplasm; D001059:Apoproteins; D008562:Membrane Glycoproteins; D018396:Mucin-1; D009363:Neoplasm Proteins; D037661:Pulmonary Surfactant-Associated Proteins; D011663:Pulmonary Surfactants; D000515:alpha 1-Antitrypsin; C046616:pulmonary surfactant apoprotein; D007633:Keratins; D009113:Muramidase