Carcinoid Heart Disease
Postižení srdce při karcinoidu
Postižení srdce při generalizovaném karcinoidu je demonstrováno na 8 případech (7 žen, 1 muž,průměrný věk 63,4 r.). Primární nádor byl 5krát v ileu a 3krát v oblasti céka; ve všech případechbyl generalizován do jater. Charakteristickou lézí jsou endokardiální pláty, tvořené řídkou mezibuněčnouhmotou s buňkami hladké svaloviny a kryté endotelem. Pláty nasedají na jinak normálníchlopenní či nástěnný endokard pravého srdce. Vzniklé chlopenní vady mají charakterkombinovaný, s převahou trikuspidální insuficience, resp. pulmonální stenózy. V jednom případěse široce otevřeným foramen ovale byly postiženy i chlopně levého srdce. V patogenezi endokardiálníchplátů hraje zřejmě hlavní úlohu lokální působení serotoninu.
Klíčová slova:
karcinoid – karcinoidový syndrom – trikuspidální vady – pulmonální vady
Authors:
I. Šteiner
Authors‘ workplace:
Fingerlandův ústav patologie LF UK a FN, Hradec Králové
Published in:
Čes.-slov. Patol., , 2003, No. 2, p. 55-58
Category:
Overview
Demonstrated are eight cases of carcinoid heart disease (7 females, 1 male; average age 63.4 y.).The primary tumor was localized in the ileum in 5, and in the cecal area in 3 patients, with livermetastases in each case. The characteristic heart lesion appears as an endocardial plaque composedof loose intercellular matrix with scattered smooth muscle cells, covered by an endotheliallayer. The plaques are apposed on an otherwise normal valvular, or mural endocardium of theright heart. The resulting combined valvular lesions show a predominance of tricuspid incompetence,or of pulmonary stenosis. In one case with a widely patent foramen ovale there was involvementof left-heart valves in addition. Local effect of serotonin appears to play the main role inpathogenesis of the endocardial plaques.
Key words:
carcinoid – carcinoid syndrome – tricuspid incompetence – pulmonary stenosis
Labels
Anatomical pathology Forensic medical examiner ToxicologyArticle was published in
Czecho-Slovak Pathology
2003 Issue 2
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