Lung sarcoma, the two most common types

Sarcoma can occur in any part of our body, and the lungs are no exception. So, what are the common types of lung sarcoma? The following article will introduce them to you.

(1) Benign lung tumors:

It means that the cells that make up the tumor are similar to normal cells, but their tissue structure is different from normal tissue structure and does not have the function of normal tissue. The cells abnormally proliferate and accumulate into masses, forming tumor-like deformities; however, this type of cell proliferates slowly, does not spread throughout the body, and will not metastasize. Hamartoma is a common benign tumor of the lung. From the name of the tumor, we can know that it is caused by disordered growth of tissue structure. The hamartoma of different patients may be composed of different proportions of cartilage, glands, smooth muscles, blood vessels, fat and fibrous tissue. Sometimes only a small piece of tissue is taken for examination, which may cause confusion with other benign tumors such as chondroma, leiomyoma, hemangioma, lymphangioma, lipoma, fibroma, neurogenic tumor and benign teratoma. In addition, there are rare benign mesothelioma, such as inflammatory pseudotumor, sclerosing hemangioma, tuberculoma, etc., as well as sarcoidosis, bronchopulmonary cysts and other granulomatous diseases that look like tumors.

(2) Lung malignancy:

In addition to lung cancer, there are also malignant lymphoma, lung cancer sarcoma (squamous cell carcinoma and fibrosarcoma-like components), pulmonary blastoma, pulmonary sarcoma (including leiomyosarcoma, fibrosarcoma, rhabdomyosarcoma, liposarcoma, angiosarcoma, chondrosarcoma, etc.), malignant papilloma, malignant mesothelial carcinoma, malignant neurogenic tumors, malignant teratomas and malignant hamartomas, etc.

Alveolar cell carcinoma: originates from the bronchial mucosal epithelium, also known as bronchioalveolar cell carcinoma or bronchioalveolar carcinoma, or simply alveolar carcinoma. The location is around the lung field. Among various types of lung cancer, the incidence rate is low and it is more common in women. Generally, the degree of differentiation is high and the growth is slow. The cancer cells grow along the bronchioles, alveolar ducts and alveolar walls without invading the alveolar septa. Lymphatic and hematogenous metastasis occur later, but can spread via the bronchi to other lobes or invade the pleura. In terms of X-ray morphology, alveolar cell carcinoma has two types: nodular and diffuse. The former can be a single nodule or multiple nodules; the latter has a morphology similar to pneumonia. For nodular type with limited lesions, surgical resection is more effective.