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Related Experiment Videos

Clinicopathologic features of partial hydatidiform mole.

A E Szulman1

  • 1Department of Pathology, University of Pittsburgh School of Medicine, Pennsylvania.

The Journal of Reproductive Medicine
|September 1, 1987
PubMed
Summary

Partial hydatidiform mole (PHM) is a specific placental abnormality. Diagnosis is challenging pre-evacuation, relying on pathological findings to differentiate it from other conditions.

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Area of Science:

  • Reproductive Medicine
  • Pathology
  • Genetics

Background:

  • Partial hydatidiform mole (PHM) is a triploid, diandric conceptus.
  • Placental findings include focal trophoblastic hyperplasia and hydatidiform change.
  • The fetus typically survives until 8-9 weeks' menstrual age.

Purpose of the Study:

  • To define the diagnostic criteria for Partial hydatidiform mole (PHM).
  • To highlight the challenges in pre-evacuation diagnosis of PHM.
  • To differentiate PHM from other pregnancy complications.

Main Methods:

  • Histopathological examination of placental tissue.
  • Clinical correlation of patient presentation.
  • Distinguishing PHM from complete mole and normal conceptus twins.

Main Results:

  • Focal trophoblastic hyperplasia and hydatidiform change are key diagnostic features of PHM.
  • Preevacuation diagnosis of PHM is often difficult due to varied clinical presentations.
  • While choriocarcinoma is not documented with PHM, residual disease can occur.

Conclusions:

  • The definitive diagnosis of PHM is made by a pathologist.
  • PHM must be distinguished from common abortus with villous edema.
  • Accurate pathological differentiation from co-twin complete mole is crucial.

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