PMC6796708_01
(A) Axial CT demonstrating a nodal mass within the mesentery anterior to the superior mesenteric vessels. (B) NM68 DOTATATE PET scan showing that avidity of the nodal mass and radiological appearances that are in keeping with a neuroendocrine tumour.
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Tomography (CT) that demonstrated a 3 cm nodal mass overlying the superior mesenteric vessels (Fig. 1A). This demonstrated avid disease in the mesenteric lymph nodes corresponding to the nodal mass seen on CT (Fig. 1B) although no visible primary tumour could be seen. There was no evidence of metastatic disease on radiological imaging.
The Mesenteric mass shows lymphoid follicular structures including some with multiple germinal centres. The mantles are traversed by hyalinised vessels. The interfollicular area has reduced cellularity with prominent vessels.
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In light of these findings the patient was discharged from further follow-up (Fig. 2).