A Pathological Analysis of Canaliculitis Concretions: More Than Just Actinomyces

Figure 1

(a) Filamentous bacteria within a canalicular concretion (400x, Gomori’s methenamine silver (GMS) stain). (b) Multiple Gram-positive bacteria within the same concretion (400x, Gram stain); (b) Inset: Splendore Hoeppli phenomenon with blue-staining bacteria surrounded by eosinophilic deposits (200x, hematoxylin and eosin (H&E) stain).

(a)

(b)