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Updated: Jul 7, 2026

Demonstration of Cutaneous Allodynia in Association with Chronic Pelvic Pain
Published on: June 23, 2009
A lady with unresolved loin pain
Kai Ming Chow1, Kirsty Wai Chung Lee, Tiffany Cho Lam Wong
1Department of Medicine &Therapeutics, Prince of Wales Hospital, The Chinese University of Hong Kong, Shatin, Hong Kong, China. Chow_Kai_Ming@alumni.cuhk.net
A history of cardiac disease, particularly atrial fibrillation, combined with abdominal pain and elevated lactate dehydrogenase, suggests acute renal infarction. A CT scan is recommended to rule out this serious condition.
Area of Science:
- Nephrology
- Cardiology
- Radiology
Background:
- Cardiac conditions, such as atrial fibrillation, are known risk factors for embolic events.
- Renal infarction is a rare but serious condition that can lead to kidney damage.
Observation:
- Patients presenting with loin or abdominal pain and a history of cardiac disease, especially atrial fibrillation, require thorough evaluation.
- Elevated lactate dehydrogenase levels can indicate tissue damage, including in the kidneys.
Findings:
- A combination of cardiac history (atrial fibrillation), specific symptoms (loin/abdominal pain), and elevated lactate dehydrogenase strongly suggests the possibility of acute renal infarction.
- Computed tomography (CT) is the imaging modality of choice for diagnosing acute renal infarction.
Implications:
- Prompt diagnosis of acute renal infarction through CT scanning is crucial for timely intervention and management.
- Early detection can prevent irreversible kidney damage and associated complications.
- This diagnostic approach aids clinicians in differentiating renal infarction from other causes of abdominal pain in at-risk patients.
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