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Gastrointestinal arterial fibromuscular dysplasia of childhood
J T Meredith1, L Cerezo, M Alvarez
1Department of Pathology, Orlando Regional Medical Center, FL 32806.
Insights
This case study details a rare childhood fibromuscular dysplasia affecting the gastrointestinal system without hypertension. It highlights unique pathological features and a decade-long clinical progression.
Area of Science:
- Vascular Medicine
- Pediatric Pathology
Background:
- Fibromuscular dysplasia (FMD) is a noninflammatory vasculopathy causing arterial stenosis.
- Typical FMD often involves renal arteries and is associated with hypertension.
- Gastrointestinal FMD is rare, especially with early-onset and atypical presentations.
Observation:
- A unique case of progressive, noninflammatory stenosing vasculopathy, identified as arterial fibromuscular dysplasia, is presented.
- Distinctive features include early childhood onset, primary gastrointestinal system involvement, and spared renal arteries.
- The case lacked hypertension and cutaneous signs of progressive systemic sclerosis.
Findings:
- Detailed clinical history over ten years is discussed.
- Pathologic features, including routine and electron microscopy of biopsy and autopsy tissues, are examined.
- Literature review on similar rare FMD cases is provided.
Implications:
- This case expands the understanding of fibromuscular dysplasia spectrum in children.
- Highlights the importance of considering atypical FMD presentations in pediatric gastrointestinal disease.
- Contributes to the literature on rare vascular pathologies and their long-term management.
Abstract:
An unusual case of a progressive, noninflammatory stenosing vasculopathy, arterial fibromuscular dysplasia is presented. The distinctive features of this particular case include onset in early childhood with a predominant involvement of the gastrointestinal system, sparing of the renal arteries, lack of hypertension, and no cutaneous features of progressive systemic sclerosis. We discuss the clinical history over a decade and the pathologic features, including routine and electron microscopic findings of biopsy and autopsy tissues, and review the literature.