Squamous Papilloma, Upper Gastrointestinal Tract
Benign papillomata; Malpighian papilloma
The upper gastrointestinal tract squamous papilloma described in this section will address exclusively the esophageal squamous papilloma. Anatomically, one could argue if pharyngeal squamous papilloma could also be included in this section, but it will be discussed in the squamous papilloma of the upper respiratory tractsection.
Esophageal squamous papilloma is a benign polypoid lesion that usually presents with a wart-like configuration at upper endoscopy. In general, the microscopic appearance of esophageal squamous papilloma is composed of a stromal core of lamina propria lined by mature stratified squamous epithelium.
Esophageal squamous papilloma is an uncommon lesion with less than 200 cases described in the worldwide literature.
The estimated incidence varies between 0.01% and 0.45%, in endoscopic series, while studies based on autopsies series reveal a prevalence of 0.006–0.04% of the...
References and Further Reading
- Lewin, K. J., & Appelman, H. D. (1995). Tumors of theesophagus & stomach: Atlas of tumor pathology. In American registry of pathology (pp. 31–32). Washington, DC: Armed Forced Institute of Pathology.Google Scholar
- Odze, R., & Goldblum, J. (2009). Surgical pathology of the GU tract, liver, billiary tract and pancreas (pp. 406–407). Philadelphia: Saunders Elsevier.Google Scholar