PMC10171749_01
MIP image (a) of a FDG PET-CT of a 46-year-old woman done to evaluate an adnexal mass shows multiple foci of increased FDG uptake in the pelvic region (arrow) with another area of hypermetabolism seen in the left thorax, adjacent to the heart (arrowhead). Transaxial CT image (b) of the pelvic region shows multiple enhancing nodules in the cystic right adnexal mass which show intense focal FDG concentration as seen in the fused PET-CT image (c) (white arrows). A cavitary mass with nonuniform thick wall is noted in the lower lobe of the left lung in the transaxial CT images of the thorax (d) showing intense FDG concentration as seen in the fused images (e) (white arrows). FDG PET-CT: Fluorodeoxyglucose positron emission tomography-computed tomography, MIP: Maximum intensity projection
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F1
The CT component of the scan showed a large heterogeneous right adnexal mass, having multiple solid-enhancing nodules within showing intense FDG uptake, with enlarged para-aortic nodes [Figure 1].
(a and b) Hematoxylin- and eosin-stained pathological images of adenosquamous carcinoma of the left lung. Malignant cells with admixture of both squamous and glandular differentiation can be seen (comment: histopathological images of plasmablastic lymphoma of the ovary could not be obtained as the sample got depleted while immunohistochemical staining)
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F2
In view of an unusual presentation of associated cavitating lesion in the left lung, a biopsy was advised which identified the presence of adenosquamous carcinoma cells [Figure 2].