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Images of the Issue Cutaneous lesions in colorectal carcinoma: a rare presentation
Vinay G Zanwar1, Sunil V Pawar1, Samit S Jain1, Chitra S Nayak2, Pravin M Rathi1
Intestinal Research 2016;14(1):102-103.
DOI: https://doi.org/10.5217/ir.2016.14.1.102
Published online: January 26, 2016

1Department of Gastroenterology, T.N. Medical College & B.Y.L Nair Ch Hospital, Mumbai, India.

2Department of Dermatology, T.N. Medical College & B.Y.L Nair Ch Hospital, Mumbai, India.

Correspondence to Vinay G Zanwar, Department of Gastroenterology, OPD Building, 7th floor, T.N. Medical College & B.Y.L Nair Ch Hospital, Mumbai Central, Mumbai 400008, India. Tel: +91-2223016139, Fax: +91-2223021168, drvgzanwar@gmail.com
• Received: September 16, 2015   • Revised: October 6, 2015   • Accepted: October 10, 2015

© Copyright 2016. Korean Association for the Study of Intestinal Diseases. All rights reserved.

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Question: A 23-year-old man had multiple nodular painless lesions all over his body since 2 months. He had undergone emergency colostomy 1 year previously for intestinal obstruction due to an ulceroinfiltrative mass in the descending colon. Histopathology showed a mucinous adenocarcinoma (signet-ring type). The patient underwent left hemi-colectomy and received 6 sessions of 5-fluorouracil- and oxaliplatin-based adjuvant chemotherapy for the tumor (T3N2M0).
On physical examination, the patient was pale and had firm-to-hard non-tender nodules of varying sizes over the scalp, face, abdomen, back, and arms (Fig. A, B); the maximum nodule size was 8×8 mm. On microscopic examination, the nodules showed a basket-weave pattern of the stratum corneum, with follicular plugging and increased basal layer melanization. The dermis was infiltrated, showing a narrow green zone and foamy cells with a mucin-like substance (Fig. C, D; alcian blue staining, C: ×40, D: ×10). Imaging did not show any metastatic lesions in the liver or lungs.
What is the diagnosis for this lesion?
The above findings confirmed a metastatic focus of the mucinous colon adenocarcinoma. Cutaneous metastases in colorectal carcinoma are rare, occurring in 2.3%–6.0% of cases.1 The most frequent site of cutaneous metastases of colon cancer is the abdomen with an operative scar, with the scalp, face, arms, and genitalia being uncommon sites.1 On macroscopic observation, lesions appear as painless, firm nodules or purple-red indurations termed as carcinoma erysipeloides, or they may be mistaken as lipomas or neurofibromas.2 The microscopic features of metastatic lesions resemble those of the primary tumor. Skin metastases are a poor prognostic indicator of colon cancer, and patients survive for an average of 18 months.3 No clear guidelines exist regarding the optimum chemotherapeutic regimens. The patient reported herein died of disseminated malignancy and anemia within 1 week of hospital admission.
We acknowledge Dr. Ravindra Surude for his support in case evaluation.

Financial support: None.

Conflict of interest: None.

  • 1. Nesseris I, Tsamakis C, Gregoriou S, Ditsos I, Christofidou E, Rigopoulos D. Cutaneous metastasis of colon adenocarcinoma: case report and review of the literature. An Bras Dermatol 2013;88(6 Suppl 1): 56–58.PMID: 24346880.ArticlePDF
  • 2. Kauffman CL, Sina B. Metastatic inflammatory carcinoma of the rectum: tumor spread by three routes. Am J Dermatopathol 1997;19:528–532.PMID: 9335247.ArticlePubMed
  • 3. Krathen RA, Orengo IF, Rosen T. Cutaneous metastasis: a metaanalysis of data. South Med J 2003;96:164–167.PMID: 12630642.ArticlePubMed

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        Cutaneous lesions in colorectal carcinoma: a rare presentation
        Intest Res. 2016;14(1):102-103.   Published online January 26, 2016
        DOI: https://doi.org/10.5217/ir.2016.14.1.102
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      Cutaneous lesions in colorectal carcinoma: a rare presentation
      Cutaneous lesions in colorectal carcinoma: a rare presentation
      Intest Res : Intestinal Research
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