PMC7251268_01
Gross picture of the appendix.
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F1
One patchy grey/white area was identified measuring 0.5x0.5 cm (Fig. 1) on cutting open the lumen was obliterated due to a fecolith.
(A) H&E (4x) stained section of appendix showing mucosa, submucosa, serosa near to that is the presence of poorly formed epithelioid cell granulomas. (B) H&E (10x) stained section of appendix showing poorly formed epithelioid cell granulomas.
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F2
On microscopic examination, Hematoxylin and Eosin (H&E) stained sections revealed the mucosa, submucosa and serosa along with tubercular granulomas in the vicinity of serosa (Fig. 2a) consisting of poorly formed epithelioid cells granulomas and caseous necrosis (Fig. 2b).
Ziehl Neelsen (4x) stained section of appendix showing mucosa, submucosa with lymphoid follicles and serosa and absence of tubercular bacilli.
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F3
Ziehl Neelsen (ZN) stain for acid fast bacilli (AFB) was noncontributory (Fig. 3, 4).
Ziehl Neelsen (100x) stained section of appendix showing the absence of tubercular bacilli.
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F4
Ziehl Neelsen (ZN) stain for acid fast bacilli (AFB) was noncontributory (Fig. 3, 4).