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Sheep in Wolf’s Clothing: Pedunculated Colonic Lipoma with Overlying Hyperplastic and Ulcerated Epithelium

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Abstract

Introduction

Lipomas are the most common non-epithelial benign tumors of the gastrointestinal tract with a reported incidence in the colon of 0.2–4.4%. These lesions are usually asymptomatic with a typical endoscopic finding of a smooth, slightly yellow, circular, polyp that is sessile in most cases, covered with normal colonic mucosa.

Areas Covered

There are rare reported cases of alterations of the overlying mucosa such as hyperplasia, atrophy, adenomatous changes, and necrosis.

Expert Commentary

We report a rare case of pedunculated colonic lipoma of the transverse colon covered with hyperplastic and ulcerated epithelium easily misdiagnosed as an adenomatous lesion.

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Abbreviations

EMR:

Endoscopic mucosal resection

FOBT:

Fecal occult blood test

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Authors and Affiliations

  1. Department of Surgical Sciences, “Sapienza” University of Rome, V.le Regina Elena 324, 00161, Rome, Italy

    Rossella Palma, Stefano Pontone, Stefano Frattaroli & Vito D’Andrea

  2. Sydney Kimmel Medical College, Thomas Jefferson University, Philadelphia, PA, USA

    Ignazio Roberto Marino

  3. Department of Radiological, Oncological and Pathological Sciences, “Sapienza” University of Rome, Rome, Italy

    Fabio Massimo Magliocca

  4. Emergency Surgery Department, St. Orsola University Hospital, Bologna, Italy

    Valeria Tonini

Authors
  1. Rossella Palma
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  2. Stefano Pontone
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  3. Ignazio Roberto Marino
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  4. Fabio Massimo Magliocca
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  5. Stefano Frattaroli
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  6. Valeria Tonini
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  7. Vito D’Andrea
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Corresponding author

Correspondence to Rossella Palma.

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Informed consent was obtained from the patient for the publication of this case description and images.

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Palma, R., Pontone, S., Marino, I.R. et al. Sheep in Wolf’s Clothing: Pedunculated Colonic Lipoma with Overlying Hyperplastic and Ulcerated Epithelium. Dig Dis Sci 65, 1951–1953 (2020). https://doi.org/10.1007/s10620-020-06188-4

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  • DOI: https://doi.org/10.1007/s10620-020-06188-4

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