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Advances in Anatomic Pathology:
Review Article

Gestational Trophoblastic Diseases: Recent Advances in Histopathologic Diagnosis and Related Genetic Aspects

Hui, Pei MD, PhD*; Martel, Maritza MD*; Parkash, Vinita MD†

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Abstract

Gestational trophoblastic disease refers to a spectrum of proliferative disorders of the placental trophoblast, with a wide range of histologic appearances and clinical behaviors. This review discusses the more recent developments in the diagnosis of these entities. Changes in criteria for the histologic diagnosis of these lesions due to earlier clinical diagnosis are reviewed, and the ability to make more accurate diagnoses due to the introduction of newer antibodies such as p57 is highlighted. A discussion of epithelioid trophoblastic tumor, a newly introduced tumor subtype, with its differential diagnosis from placental-site trophoblastic tumor and squamous cell carcinoma is also presented. Last, a brief discussion on the role of genetic studies and the future direction of research in elucidating the nature of this intriguing group of lesions is presented.

© 2005 Lippincott Williams & Wilkins, Inc.

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