Author: Nat Pernick, M.D. (see Authors page)

Revised: 1 December 2015, last major update August 2012

Copyright: (c) 2002-2015,, Inc.

PubMed Search: hCG [title]

Cite this page: hCG. website. Accessed June 18th, 2018.
Definition / general
  • human Chorionic Gonadotrophin
  • Glycoprotein with alpha and beta subunits (Wikipedia)
  • May cause low TSH levels during early pregnancy because of TSH-like effects of hCG, which has similar alpha subunit as TSH
Uses by pathologists
Microscopic (histologic) images

Images hosted on PathOut server:

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Choriocarcinoma, metastatic

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Choriocarcinoma, 8 yo girl, mature teratoma

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Bladder, urothelial carcinoma, AFIP

Images hosted on Other servers:

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Normal placenta, third trimester

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Nature images:

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Pleural fluid, reactive mesothelium vs lung carcinoma

Positive staining - normal
  • Placenta (syncytiotrophoblasts)
Positive staining - disease
Negative staining