Pituitary adenomas in 500 words or less
by
pathologystudentPosted
Thu 24 Mar 2011 11:47am
Pituitary adenomas are benign, glandular tumors of the pituitary gland. They are pretty common tumors (they account for about 10% of all intracranial neoplasms). Most are clinically silent for years, until they get big enough to cause endocrine abnormalities or mass effects.
Endocrine abnormalities occur when pituitary adenomas secrete hormones
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What's an 'atypical pituitary adenoma'?
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Dr. Brian M.Posted
Mon 01 Dec 2008 10:13am
We recently had a case at our institution of an atypical pituitary adenoma, confirmed by BerndScheithauer at the Mayo Clinic. What is implied by the designation of a pituitary adenoma as being “atypical”? Burger, Scheithauer, and Vogel -- in their textbook Surgical Pathology of the Nervous System and Its Coverings by (4 th Edition, 2002), page 469
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Best Post of December '08: What's an 'atypical pituitary adenoma'?
by
Dr. Brian M.Posted
Tue 10 Mar 2009 3:12pm
it is:
We recently had a case at our institution of an atypical pituitary adenoma, confirmed by BerndScheithauer at the Mayo Clinic. What is implied by the designation of a pituitary adenoma as being “atypical”? Burger, Scheithauer, and Vogel -- in their textbook Surgical Pathology of the Nervous System and Its Coverings by (4 th Edition, 2002), page 469 – have
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Aspirin and adenomas.
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lcampbe79Posted
Wed 11 Feb 2009 3:25pm
attacks. I don't see how an aspirin can stop adenomas from forming considering the reason why they are showing up is because the APC gene is screwed up. Remembering what I heard, went through and just all the other information, I'm not sold at all that an aspirin will stop adenomas from forming. I hope that when people read about this they don't think
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Antioxidants plus selenium reduce risk of colorectal polyps
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Dr. John Z.Posted
Tue 22 Dec 2009 12:00am
Research, in Genoa, Italy.
Adenomatous polyps (or adenoma) are benign lesions of the large bowel that, in time, could progress to cancer. Even though only a small proportion... - Supplementation with a mixture of antioxidants and the trace mineral selenium decreased the risk of developing new polyps of the large bowel - called colorectal metachronous adenomasRead on »
Gallstones risk factor for colon tumours
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Dr. Anshu GuptaPosted
Tue 02 Jun 2009 4:38pm
People with gallstones appear to be at an increased risk of colon tumours called adenomas, which eventually develop into cancer over a period time, if not removed.
Studies in the past have reported a moderately increased risk of colorectal adenoma in patients who have undergone gallbladder removal. But very few studies have investigated
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How does the dexamethasone suppression test work?
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pathologystudentPosted
Mon 14 Mar 2011 1:11am
’t be interpretable)
A. Great questions. Regarding the high vs. low dose dexamethasone and pituitary adenomas: the cells in the adenoma are neoplastic. Benign, but still neoplastic. Neoplastic cells generally are usually pretty insensitive to outside stimuli (but they can, in some cases, be affected). I think of those pituitary adenoma cells as being typical
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Possible, small increase in risk for colon cancer among PCa patients?
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Dr. Arnon KrongradPosted
Wed 20 Oct 2010 12:00am
abnormal colon polyps (adenomas), compared to 30.8 percent of the other 1,823 patients (who acted as controls).
15.4 percent of the prostate cancer patients had advanced adenomas compared to 10 percent of the men without prostate cancer.
In other words, there was a 5.4 percent absolute increase in risk for advanced adenomas among prostate cancer patients
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Temodar for pituitary cancer
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Mark LevinPosted
Thu 18 Aug 2011 2:37pm
Temozolomide, an orally administered alkylating agentmay have efficacy in the treatment of pituitary adenomas and carcinomas. Temozolomide methylates DNA through... 19 reported cases of adenohypophyseal tumors treated with temozolomide, including 13 adenomas and 6 carcinomas. Ten of those 13 adenomas responded favorably, and 2
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