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Fig. 1 | Journal of Medical Case Reports

Fig. 1

From: Ganglionar tuberculosis infection evolving to hemophagocytic lymphohistiocytosis after anti-programmed cell death 1 treatment for high-risk melanoma: a case report

Fig. 1

a Initial staging PET-CT indicating mild FDG uptake in right upper paratracheal lymph node (red arrow). Fine-needle aspiration (FNA) showed lymphoid hyperplasia, with no evidence of malignancy. b Two months after nivolumab completion, PET-CT scan demonstrating a hypermetabolic infracarinal lymph node (red arrow) with generalized lymphadenopathy (cervical, mediastinal, and abdominal), and splenomegaly. c Hematoxylin and eosin (H&E) staining showing epithelioid cell granuloma with central coagulation necrosis. d Ziehl–Neelsen staining showing acid-fast bacilli (red circle)

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