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AJNR - American Journal of Neuroradiology

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Hypothalamic Hamartoma Associated with a Craniopharyngeal Canal

Osman Kizilkilic^a, Ozlem Yalcin^a, Tulin Yildirim^a, Levent Sener^b, Gonul Parmaksiz^c and Bulent Erdogan^b

^a Department of Radiology, Adana Teaching and Medical Research Center, Baskent University, Adana, Turkey
^b Department of Neurosurgery, Adana Teaching and Medical Research Center, Baskent University, Adana, Turkey
^c Department of Pediatrics, Adana Teaching and Medical Research Center, Baskent University, Adana, Turkey

View larger version (90K): [in a new window]   FIG 1. Coronal spin-echo T1-weighted precontrast image (A) shows the association of hypothalamic hamartoma and pituitary gland mimicking the duplicated pituitary gland, and postcontrast image (B) demonstrate difference of contrast enhancement pattern. Note the homogeneous contrast enhancement of pituitary gland and lack of contrast enhancement in the hypothalamic hamartoma.

View larger version (169K): [in a new window]   FIG 2. Coronal turbo spin-echo T2-weighted image shows the hypothalamic hamartoma arising from the tuber cinereum, sellar spine, and lateral displacement of pituitary gland.

View larger version (164K): [in a new window]   FIG 3. Coronal CT scan delineates the large craniopharyngeal canal and associated sellar spine.