The [[pineal region]] is one of the most infrequent locations for [[cavernous malformation]]s to be found.

Till 2005 only fifteen cases have been reported worldwide
((Kim DS, Shim KW, Kim TG, Chang JH, Park YG, Choi JU. Pineal cavernous
malformations: report of two cases. Yonsei Med J. 2005 Dec 31;46(6):851-8. PubMed
PMID: 16385664; PubMed Central PMCID: PMC2810602.
))
((McNeely PD, Howes WJ, Mehta V. Pineal apoplexy: is it a facilitator for the development of pineal cysts? Can J Neurol Sci. 2003;30:67–71.))
((Kobayashi S, Kamagata M, Nakamura M, Nakazato Y, Sasaki T. Pineal apoplexy due to massive hemorrhage associated with cavernous angioma: case report. Surg Neurol. 2001;55:365–371.))
((Lombardi D, Scheithauer BW, Villani RM, Giovanelli M, de Tribolet N. Cavernous haemangioma of the pineal region. Acta Neurochir (Wien) 1996;138:678–683.)).