Colonic medullary carcinoma: an exceedingly rare type of colorectal malignancy: a case report and review of the literature.
Colon cancer
Immunohistochemistry
Medullary carcinoma
Microsatellite instability
Journal
Journal of medical case reports
ISSN: 1752-1947
Titre abrégé: J Med Case Rep
Pays: England
ID NLM: 101293382
Informations de publication
Date de publication:
18 Oct 2023
18 Oct 2023
Historique:
received:
13
07
2023
accepted:
01
09
2023
medline:
23
10
2023
pubmed:
18
10
2023
entrez:
18
10
2023
Statut:
epublish
Résumé
Medullary carcinoma of the colon is a rare subtype of colorectal cancer that has a unique, and sometimes varied, clinical and histologic profile. It usually presents in adult patients older than 50 years. Here, we report a unique case of young male patient who initially presented with abdominal pain followed by a large bowel obstruction. A 40-year-old SriLankan male presented with right-sided abdominal pain and on examination, there was a palpable right iliac fossa mass. Colonoscopy and a computed tomography scan revealed cecal mass. Later, while waiting for elective resection, the patient developed symptoms and signs of a large bowel obstruction. He underwent a laparoscopic right hemicolectomy with an uneventful postoperative course. The histopathologic evaluation of the resected specimens showed invasive carcinoma with syncytial growth pattern, foci of lymphoid host response, and dirty necrosis, in keeping with a medullary carcinoma pT4a pN2b. Unlike most reported medullary carcinoma cases, this patient was young and caudal-related homeobox transcription factor 2 positive. We have reported another case of medullary carcinoma of the colon in a young patient with unique histologic characteristics. Reporting such cases helps in refine understanding of the histologic and genetic, as well as clinical, phenotypes of medullary carcinoma of the colon.
Sections du résumé
BACKGROUND
BACKGROUND
Medullary carcinoma of the colon is a rare subtype of colorectal cancer that has a unique, and sometimes varied, clinical and histologic profile. It usually presents in adult patients older than 50 years. Here, we report a unique case of young male patient who initially presented with abdominal pain followed by a large bowel obstruction.
CASE PRESENTATION
METHODS
A 40-year-old SriLankan male presented with right-sided abdominal pain and on examination, there was a palpable right iliac fossa mass. Colonoscopy and a computed tomography scan revealed cecal mass. Later, while waiting for elective resection, the patient developed symptoms and signs of a large bowel obstruction. He underwent a laparoscopic right hemicolectomy with an uneventful postoperative course. The histopathologic evaluation of the resected specimens showed invasive carcinoma with syncytial growth pattern, foci of lymphoid host response, and dirty necrosis, in keeping with a medullary carcinoma pT4a pN2b. Unlike most reported medullary carcinoma cases, this patient was young and caudal-related homeobox transcription factor 2 positive.
CONCLUSION
CONCLUSIONS
We have reported another case of medullary carcinoma of the colon in a young patient with unique histologic characteristics. Reporting such cases helps in refine understanding of the histologic and genetic, as well as clinical, phenotypes of medullary carcinoma of the colon.
Identifiants
pubmed: 37849007
doi: 10.1186/s13256-023-04160-0
pii: 10.1186/s13256-023-04160-0
pmc: PMC10583308
doi:
Types de publication
Review
Case Reports
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
434Commentaires et corrections
Type : ErratumIn
Informations de copyright
© 2023. BioMed Central Ltd., part of Springer Nature.
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