Reported cases of carcinoma metastatic to parathyroid glands are rare. The first case was described in 1904 by Königstein.4 Since that time, there have been only 8 additional case reports. These previous cases are reviewed (Table) and 2 new cases are reported.
Report of Cases
—A 73-year-old Japanese man was hospitalized in March, 1955, with complaints of burning and difficulty on defecation. His stools were "pencil-thin" and contained bright red blood. Upon rectal examination, a large, hard, fleshy mass was seen to cause almost complete rectal obstruction. Following a rectal biopsy which revealed adenocarcinoma of the rectum, an abdominoperineal resection was performed. Postoperatively the patient was hypotensive, and he died 17 hours after leaving the operating room. There had never been any clinical or laboratory evidence of parathyroid dysfunction.The surgically removed specimen revealed adenocarcinoma of the rectum with extension of tumor to perirectal fat and anal
DRICKMAN A. Metastatic Carcinoma Involving the Parathyroid GlandsReport of Two Cases and a Short Review of the Literature. Arch Surg. 1961;82(4):576–578. doi:10.1001/archsurg.1961.01300100090009
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