Pulmonary Artery Sarcoma Key Facts Terminology Synonym: Intimal sarcoma Malignant mesenchymal tumor originating from wall of pulmonary trunk Clinical Issues Cough Chest pain Shortness of breath Fatigue Syncope Macroscopic Features…
Mucoepidermoid Carcinoma Key Facts Terminology Epithelial neoplasm composed of epidermoid and clear cells admixed with mucus-secreting cells (mucocytes) Clinical Issues Prognosis Depends on grading of tumor For low-grade tumors, prognosis…
Osteosarcoma Key Facts Terminology Malignant mesenchymal neoplasm with osseous differentiation Clinical Issues Incidence Osteosarcomas of lung are exceedingly rare with > 30 cases reported Pulmonary osteosarcomas appear to be more…
Angiosarcoma Key Facts Terminology Hemangiosarcoma Clinical Issues Symptomatology Shortness of breath Hemoptysis Frank pulmonary hemorrhage Macroscopic Features Single or multiple pulmonary nodules Microscopic Pathology Epithelioid malignant cells forming vascular channels…
Chrondrosarcoma Key Facts Terminology Malignant mesenchymal neoplasm with cartilaginous differentiation Clinical Issues Incidence Primary chondrosarcomas of lung are exceedingly rare More common in 6th and 7th decades of life Can…
Epi-myoepithelial Carcinoma Key Facts Terminology Adenomyoepithelioma, epithelial-myoepithelial tumor, epithelial-myoepithelial tumor of unknown malignant potential, pneumocytic adenomyoepithelioma Clinical Issues Cough Chest pain Hemoptysis Macroscopic Features Endobronchial tumor 2.5-5 cm in greatest…
Epithelioid Hemangioendothelioma Key Facts Terminology Epithelioid hemangioendothelioma (EH) Synonym: Intravascular bronchioloalveolar tumor (IVBT) Clinical Issues Incidence Unusual tumor in lung Appears to be more common in young adults; age range:…
Acinic Cell Carcinoma Key Facts Terminology Fechner tumor Epithelial neoplasm similar to that in salivary glands Clinical Issues Cough Chest Pain Asymptomatic Macroscopic Features Necrosis and hemorrhage are not common…
Kaposi Sarcoma Key Facts Etiology/Pathogenesis Commonly associated with HIV infection in patients with AIDS Associated with human herpes virus 8 (HHV-8) infection Clinical Issues High incidence in homosexual men and…
Leiomyosarcoma Key Facts Clinical Issues Incidence Represents < 1% of all malignant neoplasms of lung Described in any age group from newborns to adults Symptoms Cough Hemoptysis Chest pain Dyspnea…
