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To the Editor: A 69‐year‐old man was admitted to our center for poor appetite and malaise for 10 days. Physical examination revealed impaired consciousness and dementia appearance. The head computed tomography (CT) showed a suprasellar lesion of mixed densities without bone invasion, as well as the eggshell calcification presented as interrupted little patches of high‐density encircling focus [Figure 1a]. The magnetic resonance imaging (MRI) showed an approximately 38.8 mm × 33.1 mm × 36.4 mm lesion in the suprasellar region with an unclear contour and an ampliative third ventricle which was caused by the tumor compression and invasion [Figure 1b‐1e]. The suprasellar lesion presented isointense on T1‐weighted image (WI) [Figure 1b] and hyperintense on T2‐WI [Figure 1c]. The postcontrast lesion was obviously enhanced with cellular nonenhanced region concentrating on center of the tumor [Figure 1d and 1e]. It is clear that a lobulated lesion [Figure 1b‐1d] along with a honeycomb‐like manifestation [Figure 1d and 1e] could be detected in figures. No obvious abnormalities were identified in serological tests of pituitary hormones, adrenocortical hormones, thyroxines, and sex hormones.

Diagnostic Clues and Treatment of Intradural Cranial Chordoma