PMC9242668_01
Contrast-enhanced CT scan of the abdomen showing pseudocyst of the pancreas (arrow) compressing the stomach.
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Contrast-enhanced CT (CECT) abdomen showed peripherally enhancing collection in the pancreatic bed replacing the entire pancreas with extension into the lesser sac and gastro-hepatic region with few air foci within suggestive of walled-off necrosis, likely a pseudocyst (Figure 1).
18F-Fluorocholine PET/CT scan showing transaxial image of intense tracer uptake behind left lobe of thyroid suggesting parathyroid hyperactivity (arrow).
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These findings were concordant with the results of the 18F-Fluorocholine PET/CT scan of the patient (Figure 2).
Intraoperative findings of focused parathyroidec- tomy showing enlarged left parathyroid.
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Intraoperatively, a parathyroid nodule was identified at the inferior pole of the left lobe of the thyroid gland and was excised (Figure 3).
Schematic diagram showing the size and location of the parathyroid specimen with a cut section depicting gross features of adenoma.
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Gross examination of the surgically excised parathyroid specimen revealed a 2.8 cm x 3 cm globular and well-circumscribed tumor weighing 4.8 grams (Figure 4).
Histological examination revealed normal parathyroid tissue at the periphery of the cellular parathyroid tumor (arrow) (H&E, 100x). The inked resected surface can be seen on the upper left margin (H&E, 400x). A cellular parathyroid tumor composed of monomorphic population of chief cells. The tumor cells are arranged as nests separated by thin fibrovascular septae, showing minimal nuclear atypia and lacking mitotic activity (right).
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Histological examination of the specimen was compatible with a benign adenoma (Figure 5).