Papillary Tumor of the Pineal Region: MR Signal Intensity Correlated to Histopathology. (22nd January 2015)

• Record Type: Journal Article
• Authors: Rosa Junior, Marcos; da Rocha, Antonio Jose; Zanon da Silva, Adriano; Rosemberg, Sergio
• Other Names: Simone Isabella Laura Academic Editor.
• Is Part Of: Case reports in neurological medicine. Volume 2015(2015)
• Publication Date: 2015-01-22
• Subjects: Neurology -- Periodicals; Nervous system -- Diseases -- Periodicals; Neurology; Nervous System Diseases; Nervous system -- Diseases; Neurology; Electronic journals; Periodicals; Periodicals; 616.8
• DOI: 10.1155/2015/315095
• Languages: English
• ISSNs: 2090-6676

Abstract

Abstract : Tumors of the pineal region are rare and can be challenging to differentiate by imaging. Papillary tumor of the pineal region (PTPR) was recently recognized as a neoplasm in the World Health Organization (WHO) 2007 classification, arising from specialized ependymocytes in the subcommissural organ, which is located in the pineal region. It is a rare histological type of pineal tumor with only a few cases reported. Here, we describe a case of histologically confirmed PTPR in a 17-year-old man who presented with a headache. A literature review was performed to clarify the clinical, radiological, and pathological features of PTPR. Pineal neoplasms do not have pathognomonic imaging findings; however, we discuss T1 hyperintensity, which is a key for imaging diagnosis according to recent reports. In particular, if the hyperintensity in T1 is not due to fat, calcification, melanin, or hemorrhage in a mass of the posterior commissure or pineal region, the diagnosis of a PTPR may be suggested, as observed in this case.