Parathyroid carcinoma (PTCA) is a rare neoplasm that accounts for less than 1 % of primary hyperparathyroidism cases. Several clinical and biochemical features can directing to PTCA, but accurate pre and intraoperative diagnosis are still difficult. This study presents a case of PTCA that diagnosed postoperatively with a discussion of microscopic feature. The surgical exploration revealed an en…
Anaplastic (undifferentiated) carcinoma of thyroid is a highly malignant tumor. This can be developed directly (denovo) but also indirectly a well-differentiated tumor. In case a speciment shows both undifferentiated and well-differentiated characteristic, we can firmly concluded that the undifferentiated tumor is a transformation form of the well-differentiated tumor. The following is a case s…
Anaplastic (undifferentiated) carcinoma of thyroid is a highly malignant tumor. This can be developed directly (denovo) but also indirectly a well-differentiated tumor. In case a speciment shows both undifferentiated and well-differentiated characteristic, we can firmly concluded that the undifferentiated tumor is a transformation form of the well-differentiated tumor. The following is a case s…
Background: Abnormal DNA content and proliferative activity of tumor has been considered as an additional criteria for determining the biological behavior of a tumor. In order to differientiate the adenomatous, adenoma and carcinomas of the thyroid, DNA distribution pattern and the fraction of cell in synthesis phase of cell were studied. Methods : Flowcytometric DNA analysis was done on 71 pat…