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. 2024 Dec 5;14(12):9760-9763.
doi: 10.21037/qims-24-1101. Epub 2024 Nov 29.

Ectopic pituitary adenoma in sphenoid sinus: a case presentation

Bingbing Huang  1   2 , Rui Li  2
Affiliations

Ectopic pituitary adenoma in sphenoid sinus: a case presentation

Bingbing Huang et al. Quant Imaging Med Surg. .
No abstract available

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Conflict of interest statement

Conflicts of Interest: Both authors have completed the ICMJE uniform disclosure form (available at https://qims.amegroups.com/article/view/10.21037/qims-24-1101/coif). The authors have no conflicts of interest to declare.

Figures

Figure 1
Figure 1
Preoperative MRI and CT images of the tumor. (A) Sagittal position on T1WI, an irregular low-signal shadow (white arrow) could be observed in the sphenoid sinus. Blue arrow: pituitary gland. (B) Transverse position on T2WI, an irregular isointense shadow (white arrow) can be seen; (C) coronal position of T1 contrast enhancement. An irregular soft tissue mass (white arrow) was observed in the sphenoid sinus with mild enhancement (white arrow), with unclear boundary of the right sellar bottom, and pituitary gland located at the superior parts of the lesion. Yellow arrows: optic chiasm; blue arrow: pituitary gland; red arrow: infundibulum. (D) CT bone window scan showed the soft tissue shadow (white arrow) and bone destruction. MRI, magnetic resonance imaging; CT, computed tomography; T1WI, T1-weighted imaging; T2WI, T2-weighted imaging.
Figure 2
Figure 2
HE stain of the EPAs. (A) HE ×100, the tumor cells consisted of uniform, small, round cells arranged in nests under microscopy. (B) HE ×400, the tumor cells are separated by a network of slender blood vessels, the cells are rich in the cytoplasm and arranged in a nested, glandular pattern, and the nuclei have fine chromatin. HE, hematoxylin and eosin; EPAs, ectopic pituitary adenomas.
See this image and copyright information in PMC

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