Characteristics of Calcification in Tumors of the Pineal Gland

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Abstract
Thirty-two cases of proved pineal tumor were analyzed. Calcification was seen in 75%. The size, character and position of the calcification were useful indicators of abnormality on plain-film evaluation. Fray''s cranioangle method was more sensitive than Oon''s method in determining abnormal position of the calcified pineal tumor on the lateral skull film. Most calcifications were displaced postero-inferiorly or inferiorly, which can be explained by obstructive hydrocephalus or direct tumor expansion.

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