Esophageal Stricture Caused by Actinomyces in a Patient with No Apparent Predisposing Factors

Figure 2

(a) Hematoxylin and eosin (H&E) stain showing esophageal squamous epithelium with hyperparakeratosis and hemorrhage secondary to Actinomyces presenting as sulfur granules (center blue). (b) H&E stain showing sulfur granules associated with esophageal epithelium degeneration, hemorrhage, neutrophils, and lymphocytes. (c) Periodic acid–Schiff stain showing organisms of Actinomyces presenting as sulfur granules and filaments.

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