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Updated: Feb 5, 2026
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Posterior Humeral Circumflex Artery Aneurysms in Two Collegiate Pitchers
Brian Scrivens1, Derek Redinger1, Luis Vela1
1Department of Orthopedics, Good Samaritan Regional Medical Center, Corvallis, OR (Dr. Scrivens and Dr. Vela); Western University of Health Sciences, Lebanon, OR (Dr. Redinger); and Samaritan Athletic Medicine and Oregon State University, Corvallis (Dr. Aukerman).
Summary
Posterior humeral circumflex artery aneurysms are rare in athletes but increasingly recognized. Early diagnosis and treatment are crucial for better outcomes in these rare upper extremity injuries.
Area of Science:
- Orthopedic Surgery
- Vascular Surgery
- Sports Medicine
Background:
- Posterior humeral circumflex artery aneurysms are an uncommon cause of upper extremity pain in athletes.
- These aneurysms are often underdiagnosed, leading to delayed treatment and potentially poorer outcomes.
- Increased medical literature recognition highlights the need for greater physician awareness.
Observation:
- This case report details two distinct presentations of the same injury.
- The report outlines a systematic approach to diagnosing and treating PHCAA.
- Novel diagnostic techniques and future research directions are also discussed.
Findings:
- PHCAA may present subtly, leading to delayed diagnosis in athletes.
- Comprehensive diagnostic evaluation is key to identifying these aneurysms.
- Treatment strategies should be tailored to individual patient presentations.
Implications:
- Increased physician awareness of PHCAA can improve early detection rates.
- Standardized diagnostic and treatment protocols are needed.
- Further research is warranted to elucidate the pathophysiology and long-term management of PHCAA in athletes.
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