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Signet-Ring Cell Colon Cancer in a Teenager: A Case Report.

Amy Somerset1,2, David A Edelman2, John Webber2

  • 1Surgery, Beaumont Health, Grosse Pointe, USA.

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|February 15, 2021
PubMed
Summary

Signet-ring cell carcinoma (SRCC) is a rare and aggressive colon cancer subtype. This case highlights an unusual diagnosis of colonic SRCC in an 18-year-old male, emphasizing its rarity in adolescents.

Keywords:
colorectal cancermetastatic colo-rectal cancersignet ring cell adenocarcinomateenage

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Area of Science:

  • Gastroenterology
  • Oncology
  • Pathology

Background:

  • Colorectal cancer (CRC) predominantly affects older adults, but incidence is rising in younger populations.
  • Adenocarcinoma is the most common CRC subtype, with histologic variations impacting prognosis.
  • Signet-ring cell carcinoma (SRCC) is an aggressive mucinous subtype associated with poor outcomes and frequent metastasis.

Observation:

  • Colonic SRCC is exceptionally rare, accounting for only 1% of all colorectal cancers.
  • SRCC typically presents in individuals around age 40.
  • Presentation in adolescents, particularly without known risk factors, is exceedingly uncommon.

Findings:

  • This report details a case of an 18-year-old male diagnosed with colonic SRCC.
  • The patient presented with vague abdominal discomfort, rapidly progressing to a near-obstructing right-sided colon mass.
  • Surgical exploration revealed diffuse carcinomatosis, necessitating palliative ileostomy.

Implications:

  • This case underscores the possibility of aggressive colon cancers like SRCC in young individuals, even without typical risk factors.
  • Highlights the importance of considering rare diagnoses in adolescent patients presenting with gastrointestinal symptoms.
  • Emphasizes the challenges in managing advanced-stage, rare cancers in pediatric and young adult populations.