Primary infection by Actinomyces is uncommon because susceptibility to infection requires breakdown of the normal protective mucosal barrier. Furthermore, involvement of the upper extremity is rare. This case report presents clinical, radiological, and pathological findings in a 26-year-old patient with actinomycosis of the hand that was treated successfully by pharmacotherapy alone without any surgical debridement.
Primary actinomycoses of the hand and upper extremity present as a challenging condition. It requires a high index of clinical suspicion and histopathologic diagnosis to guide treatment, typically involving antimicrobial therapy. This case highlights the usefulness of conservative treatment with antimicrobial therapy without surgical debridement.