منابع مشابه
Malignant Small Round Cell Tumor Originating In The Thoracopulmonary Region " Askin Tumor "
SUMMARY Askin tumor is a peripheral neuroepithelioma originating in chest wall. It is a very aggressive tumor and with Ewing's sarcoma are the most frequent tumors of chest wall. The tumor is composed of small round or ovoid cells arranged in sheets with pseudorossette formation. Some times around vessels, glycogen staining is some times positive in H & E but always positive in E.M. In E.M be...
متن کاملSolid Pseudo-Papillary Tumor of the Pancreas in a 10 year old girl
Abstract Background Solid pseudo-papillary tumor of the pancreas (SPTP) is a rare disease with a low malignant potential. Though it shows low malignant potential 10% to 15% of the cases show aggressive behavior with metastatic involvement of the liver. The symptoms include abdominal discomfort and abdominal pain. It is very rare in early years of age. This is the case of a 10 year old girl wi...
متن کاملHair cell heterogeneity in the goldfish saccule.
A set of cytological studies performed in the utricle and saccule of Astronotus ocellatus (Teleostei, Percomorphi, Cichlidae) identified two basic types of hair cells and others with some intermediate characteristics. This paper reports on applying the same techniques to the saccule of Carassius auratus (Teleostei, Otophysi, Cyprinidae) and demonstrates similar types of hair cells to those foun...
متن کاملPromoter Methylation of Four Tumor Suppressor Genes in Human Papillary Thyroid Carcinoma
Background & Objective: Papillary thyroid cancer (PTC) is considered to be the most common type of thyroid malignancies. Epigenetic alteration, in which the chromatin conformation and gene expression change without changing the sequence of DNA, can occur in some tumor suppressor genes and oncogenes. Methylation is the most common type of epigenetic alterations that can be an ex...
متن کاملsolid pseudo-papillary tumor of the pancreas in a 10 year old girl
abstract background solid pseudo-papillary tumor of the pancreas (sptp) is a rare disease with a low malignant potential. though it shows low malignant potential 10% to 15% of the cases show aggressive behavior with metastatic involvement of the liver. the symptoms include abdominal discomfort and abdominal pain. it is very rare in early years of age. this is the case of a 10 year old girl with...
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ژورنال
عنوان ژورنال: International Journal of Pediatric Otorhinolaryngology Extra
سال: 2007
ISSN: 1871-4048
DOI: 10.1016/j.pedex.2007.03.001