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…
Up to date, spindle cell neoplasm is still regarded as one of the most difficult to identify, due to various types of classification on non Hodgkin malignant lymphomas. This study was an attempt to determine the neoplastic spindles cell reticulosarcomas by using immunohistochemical tecnique againts lysozyme, S 100 protein, kappa, lambda and R4/23. It is concluded that by adopting the immunohist…
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…
Up to date, spindle cell neoplasm is still regarded as one of the most difficult to identify, due to various types of classification on non Hodgkin malignant lymphomas. This study was an attempt to determine the neoplastic spindles cell reticulosarcomas by using immunohistochemical tecnique againts lysozyme, S 100 protein, kappa, lambda and R4/23. It is concluded that by adopting the immunohist…
Rhabdomyosarcoma is a malignant tumor of the strated muscle. The tumor is usually located on the lower extremitas. Rhabdomyosarcoma occurs in children, in the case report the tumor was found in the middle ear. A five years old girl presented with mass in the right middle ear. The rate of growth fast, in 3 weeks the tumor was spread to the cheek, temporal and orbita. The microscopic features wer…