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Small-cell lung carcinoma (SCLC) has long been divided into two clinicopathological stages, termed limited stage (LS) and extensive stage (ES). [8] The stage is generally determined by the presence or absence of metastases, whether or not the tumor appears limited to the thorax, and whether or not the entire tumor burden within the chest can feasibly be encompassed within a single radiotherapy ...
English: Histopathology of small cell carcinoma, H&E stain. The site shown is a metastasis to the chest wall from a lung primary. Reference for annotations: - Caroline I.M. Underwood, M.D., Carolyn Glass, M.D., Ph.D.. Lung - Small cell carcinoma. Pathology Outlines. Last author update: 20 September 2022
Combined small cell lung carcinoma (or c-SCLC) is a form of multiphasic lung cancer that is diagnosed by a pathologist when a malignant tumor, arising from transformed cells originating in lung tissue, contains a component of small cell lung carcinoma (SCLC) mixed with one or more components of any histological variant of non-small cell lung carcinoma (NSCLC) in any relative proportion.
Small blue round cells of Ewing Sarcoma Display of small round blue cells characteristic of desmoplastic small round cell tumour.. In histopathology, a small-blue-round-cell tumour (abbreviated SBRCT), also known as a small-round-blue-cell tumor (SRBCT) or a small-round-cell tumour (SRCT), is any one of a group of malignant neoplasms that have a characteristic appearance under the microscope ...
At least focal preservation of the basal cell layer [11] PSA+ [10] AMACR+ [10] Basal cell markers+ [10] Urothelial carcinoma 0.7 to 2.8% [12] Umbrella cells are usually present in low-grade tumors [13] Frequently branching fibrovascular cores [13] Frequently fusing of papillae [13] Not recommended [1] Small-cell carcinoma 0.3–2% [14] [15 ...
Pulmonary neuroendocrine tumors are neuroendocrine tumors localized to the lung: bronchus or pulmonary parenchyma.. Pulmonary neuroendocrine tumors include a spectrum of tumors from the low-grade typical pulmonary carcinoid tumor and intermediate-grade atypical pulmonary carcinoid tumor to the high-grade pulmonary large cell neuroendocrine carcinoma (LCNEC) and pulmonary small cell carcinoma ...
Carcinoma is a malignancy that develops from epithelial cells. [1] Specifically, a carcinoma is a cancer that begins in a tissue that lines the inner or outer surfaces of the body, and that arises from cells originating in the endodermal, mesodermal [2] or ectodermal germ layer during embryogenesis.
The latter is a relatively rare form of differentiated thyroid cancer, accounting for only 3-10% of all differentiated thyroid cancers, [7] and was formerly considered a subtype of follicular thyroid cancer. The mitochondrial DNA of Hürthle cell carcinoma contain somatic mutations. [6] Hürthle cell carcinomas consists of at least 75% Hürthle ...