title: [Pulmonary metastases in medullary cancers of the thyroid. Study of 4 cases. Originality of the lymphangitic form with amyloid stroma].
abstract: We studied the clinical and radiological features of pulmonary metastases present in 4 out of 22 patients with medullary carcinoma of thyroid. Two patients presented with common metastases: macronodules in one, and micronodules in the other one. The other two patients presented initially with reticulonodular perihilar lesions on chest X-ray, leading to the diagnosis of sarcoidosis in both of them. The observation of such pulmonary metastases is original: initially latent, they progress very slowly, and they correspond to a lymphangitic spread of the tumour with amyloid deposition in peribronchovascular structures without alveolar involvement, as shown in one of our cases with pathologic study.
mesh_terms: D000328:Adult; D002277:Carcinoma / Q000000981:diagnostic imaging / Q000473:pathology / Q000556:secondary*; D005260:Female; D006801:Humans; D008168:Lung / Q000473:pathology; D008175:Lung Neoplasms / Q000000981:diagnostic imaging / Q000473:pathology / Q000556:secondary*; D008205:Lymphangitis / Q000209:etiology; D008207:Lymphatic Metastasis; D008297:Male; D008875:Middle Aged; D011859:Radiography; D013964:Thyroid Neoplasms / Q000473:pathology*
vernacular_title: Métastases pulmonaires des cancers médullaires de la thyroïde. Etude de 4 cas. Originalité de la forme lymphangitique avec stroma amyloïde.