Diagnosis of Vitreoretinal Aspergillosis with Transvitreal Retinochoroidal Biopsy

Figure 4

(a) PAS stain of the retinochoroidal biopsy demonstrates septate filamentous fungi with acute angle branching consistent with Aspergillus fumigatus. (b) Pap stain of the vitreous fluid shows acute inflammation, fibrin, and true septate hyphae with 45-degree branching. (c) Hematoxylin and eosin-stained squash preparation from the brain lesion demonstrates true hyphae with 45-degree branching in a background of necrotic debris.

(a)

(b)

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