PMC7384493_01
a. Increased size and increase of signal in the axial fat-printed T2A sequence consistent with edema-inflammation at the head of the pancreas. b: Thin-walled cysts with homogeneous, non-septal solid component localized at the tail of the pancreas, shown in axial fat-printed T2A (the largest ones 26x18 mm and 27x25 mm). c: In the coronal plane, the non fat printed T2A sequence is normal, the size of the pancreas head and body is normal, the size increase in the first examination and the T2 signal increase consistent with edema-inflammation are not observed in this examination. Pancreatic duct width is within normal limits. d: Homogeneous cyst, with no septal and solid component, which decreased in size compared to previous examinations (20x13 mm), was observed in the tail of the pancreas in axial non fat printed T2A sequences. The other cysts in the first examination had completely regressed.
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F1
On the magnetic resonance imaging (MRI) and MRCP of the abdomen; the enlarged pancreas was heterogeneous in appearance (Figure 1a). There were cystic formations (sizes 26x18 mm, 27x25 mm) without prominent contrast enhancement in the corpus and tail, and solid septal component (Figure 1b). Three months later, the control MRCP showed that the pancreatic head and corpus dimensions returned to normal, pseudocysts had shrunk (one 20x13 mm) and disappeared (Figure 1c and 1d).
a: Normal transverse colonic mucosa H&EX100. b: Cryptitis, intense mixed inflammatory cells in the lamina propria H&EX400.
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F2
In histopathologic examination transverse colon mucosa was normal (Figure 2a), and in all other areas of the biopsy specimen cryptitis, crypt distortion, intense mixed inflammatory cells were seen in lamina propria (Figure 2b).