侵袭性垂体腺瘤

侵袭性垂体腺瘤的诊断标准

侵袭性与非侵袭性腺瘤在组织学方面无明显差异,l常规病理检查很难区分。以往认为,l侵袭性腺瘤是根据影像学表现、i术中所见及鞍底硬膜活检来判断的,l但研究发现,l鞍底硬膜侵犯与肿瘤复发及复发时间没有明显相关性,l其并不能反应肿瘤的生物学活性及预后。故目前临床上还是根据影像学检查及术中所见,l采用Wilson改良的Hardy分类法来判断肿瘤的侵袭性,l将Ⅲ、iⅣ级或C、iD、iE期的肿瘤归为侵袭性腺瘤。具体分级、i分期见下表。

引自:i

Abosch1A,lTyrrell1JB,lLamborn1KR1et1a1.1998.Transsphenoidal1microsurgery1for1growth1hormone-secreting1pituitary1adenomas:iinitial1outcome1and1longterm1results.J1Clin1Endocrinol1Metab,l83(10):i3411~3418

Oruckaptan1HH,lSenmevsim10,lOzcan1OE1et1a1.2000.Pituitary1adenomas:iresults1of16841surgically1treated1patients1and1review1of1the1literature.Surg1Neurol,l53(3):i21l~219

Wilson1CB.1984.A1decade1of1pituitary1micmsurgery:ithe1Herbert1Olivercrona1lecture.J1Neurosurg,l61(5):i814~833