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- From: jsmith@unixg.ubc.ca (JR Smith)
- Newsgroups: sci.med
- Subject: Re: general questions(pregnancy)
- Date: 21 Jan 93 07:46:08 GMT
- Organization: The University of British Columbia
- Lines: 27
- Message-ID: <jsmith.727602368@unixg.ubc.ca>
- References: <jsmith.727423562@unixg.ubc.ca> <1993Jan19.135006.27460@news.acns.nwu.edu> <jsmith.727499343@unixg.ubc.ca> <1993Jan20.225743.18640@fcom.cc.utah.edu>
- NNTP-Posting-Host: unixg.ubc.ca
-
- In <1993Jan20.225743.18640@fcom.cc.utah.edu> terry@cs.weber.edu (A Wizard of Earth C) writes:
-
- >In article <jsmith.727499343@unixg.ubc.ca> jsmith@unixg.ubc.ca (JR Smith) writes:
- >[ ... with regards to HCG detection by pregnancy tests ... ]
- >>Saying that, there are other possible sources of HCG than a normally
- >>developing placenta. HCG can be detected anytime functional placental
- >>tissue is present such as in blighted ova and ectopic pregnancies. Also
- >>tumours arising form placental tissue will can make HCG sometimes in
- >>very large quantities. As well a group of tumours known as germ cell
- >>tumours which can arise in the chest and abdomen often produce HCG.
-
- >Is HCG produced by men with thoracic and/or abdominal germ cell tumors,
- >or are such HCG-producing tumors limited to the female reproductive
- >tract (your inclusion of tumors "in the chest" seems to belie that)?
-
- >Is this a reliable means of testing for these tumors in men? If so and
- >the frequency of such tumors was high enough, one would think a "pregnancy
- >test" would be a part of a normal physical for both men and women,
- >considering the low price of such a test
-
- Yes. HCG is frequently produced by some types of germ cell tumours in males.
-
- No. This is not a cost-effective screening test. The tumours are extremely
- rare and the test although not extremely costly on a case by case basis
- would be very costly if used in the context of a screening test.
-
- .
-