PMC10244550_01
(A) right adrenal schwannoma in the T1 sequence of MRI. The cystic necrotic component can be seen in this imaging study. The schwannoma was shown by a white arrow. (B) Right adrenal schwannoma in the T2 sequence of MRI. The schwannoma was shown by a white arrow.
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F1
Magnetic resonance imaging (MRI) showed a semisolid mass with cystic and necrotic components and peripheral diffusion restriction, which increased suspicion of adrenocortical carcinoma (Figures 1A,B).
Right adrenal schwannoma in the FDG-PET/CT scan. This mass had an increased FDG uptake. The schwannoma was shown by a white arrow.
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F2
In this imaging study, an enhancement of FDG at the level of malignancy was seen, and the maximum standardized uptake value (SUVmax) was 9.94 (Figure 2).
Right adrenal schwannoma after laparoscopic transabdominal right adrenalectomy. Two components of adrenal mass can be observed.
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F3
During gross examination of the excised material, two components were easily seen (Figure 3).
PMC10244550_02
PMC10244550_03
(A) left adrenal schwannoma in the coronal plane of the CT scan. The cystic necrotic component can be seen in this imaging study. The schwannoma was shown by a white arrow. (B) Left adrenal schwannoma in the axial plane of the CT scan. The cystic necrotic component can be seen in this imaging study. The schwannoma was shown by a white arrow.
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F4
In the CT scan, the size of the left adrenal mass was 125 mm x 102 mm x 123 mm, and heterogeneous contrast enhancement with cystic-necrotic components was observed (Figures 4A,B).