Unexpected Diagnosis in Ring Finger Mass

Histopathology reveals digital actinomycosis in a young patient.

Share

1

An 18-year-old female was diagnosed with digital actinomycosis after surgical removal of a painless mass on her ring finger.
2

Actinomycosis is a chronic bacterial infection caused by Actinomyces species, typically affecting the cervicofacial region.
3

The patient presented with a 2-month history of swelling, and imaging revealed a poorly defined lytic lesion with cortical erosion.
4

Histopathology confirmed the diagnosis by identifying sulfur granules and excluding mycobacterial infection through staining.
5

The case emphasizes the need to consider actinomycosis in chronic digital masses, as early recognition can prevent misdiagnosis.