amr.hamed1302

Amr Ahmed Hamed

Lecturer - Lecturer at Tropical Medicine and Gastroenterology Department

Faculty of medicine

Address: Sohag, Egypt

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Publications Which contain the keyword: Osteoblastomas

KI-67 AND OSTEOCALCIN IMMUNOSTAINING EXPRESSION IN OSTEOGENIC TUMORS; OSTEOBLASTOMA AND OSTEOSARCOMA

2018-09-29 06:59:18 Keywords Osteocalcin, Osteoblastomas, Osteosarcomas,
KI-67 AND OSTEOCALCIN IMMUNOSTAINING EXPRESSION IN OSTEOGENIC TUMORS; OSTEOBLASTOMA AND OSTEOSARCOMA
Background/Aims: Osteoblastoma and osteosarcoma are primary bone forming tumors that show different radiological/pathological features and clinical behavior. This study aims to specify the expression profile of Ki-67 and osteocalcin in osteoblastomas and osteosarcomas. Methods: Ki-67 and osteocalcin immunoexpression were studied in 9 osteoblastomas and 30 osteosarcomas; including 27 osteoblastic osteosarcomas. Results: There was gradual significant increase (p Read more

Role of Immunohistochemical Cyclo-oxygenase-2 (COX-2) and Osteocalcin Expression in Differentiating Osteoblastomas from Osteosarcomas

2018-09-06 09:01:44 Keywords Osteosarcomas, Osteoblastomas, Osteocalcin, COX 2,
Role of Immunohistochemical Cyclo-oxygenase-2 (COX-2) and Osteocalcin Expression in Differentiating Osteoblastomas from Osteosarcomas
_BACKGROUND/AIMS:_ Differential diagnosis between aggressive osteoblastoma and low grade osteosarcoma may be very difficult or even impossible on a small biopsy. This study was designed to assess the usefulness of immunoexpression of COX-2 and osteocalcin in the differential diagnosis of the two tumour types. _METHODS:_ Immunostaining of COX 2 and osteocalcin were studied in 9 osteoblastomas and 30 osteosarcomas. _RESULTS:_ ... Read more

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