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Bleeding simulated by the distal internal pudendal artery stain
AJR. American Journal of Roentgenology
|October 1, 1978
Summary
A blush on arteriograms in male patients can mimic bleeding but is often a normal finding. Correctly identifying this contrast pooling prevents unnecessary medical interventions.
Area of Science:
- Radiology
- Vascular Imaging
- Interventional Radiology
Background:
- Arteriography is a key diagnostic tool for evaluating vascular structures.
- The internal pudendal artery supplies the pelvic region, including the external genitalia.
Observation:
- A capillary and venous phase blush can appear in the distal internal pudendal artery branches on arteriograms.
- This blush may resemble active bleeding but can occur in asymptomatic male patients.
Findings:
- The study describes five cases where a blush was observed without actual hemorrhage.
- This finding represents pooling of contrast material rather than active bleeding.
Implications:
- Accurate interpretation of arteriograms is crucial to avoid misdiagnosis of bleeding.
- Unnecessary treatments like transcatheter embolization or vasoactive drug infusion can be prevented.