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Deep Postanal Abscess With Sacrococcygeal Osteomyelitis: A Case Report
Javid Ahmadov1, Mustafa Anil Turhan2, Ender Erguder3
1General Surgery and Proctology, Ankara Memorial Hospital, Ankara, TUR.
Cureus
|March 14, 2025
Summary
Deep postanal abscesses (DPAs) can lead to severe sepsis. Prompt surgical treatment of DPAs is crucial to prevent rare but serious complications like sacrococcygeal osteomyelitis.
Area of Science:
- Colorectal Surgery
- Infectious Diseases
- Orthopedic Surgery
Background:
- Deep postanal abscesses (DPAs) are uncommon but serious anorectal infections.
- Untreated DPAs can lead to severe septic complications and local tissue destruction.
Observation:
- This case report details a rare instance of sacrococcygeal osteomyelitis developing from a long-standing DPA.
- The patient presented with symptoms indicative of both a deep abscess and bone infection.
Findings:
- Surgical drainage of the DPA and placement of a seton were performed.
- Complete resolution of both the deep postanal abscess and the sacrococcygeal osteomyelitis was achieved post-intervention.
Implications:
- This case highlights the critical importance of timely surgical management for deep postanal abscesses.
- It underscores the potential for severe, albeit rare, complications such as osteomyelitis, necessitating vigilant monitoring and treatment.

