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Case Reports
. 2024 Dec 27;16(12):3862-3869.
doi: 10.4240/wjgs.v16.i12.3862.

Pathological diagnosis and clinical feature analysis of descending duodenal mucosal adenocarcinoma: A case report

Jin-Yuan Zhang  1 , Liu-Sheng Wu  2 , Jun Yan  2 , Qiang Jiang  3 , Xiao-Qiang Li  4
Affiliations
Case Reports

Pathological diagnosis and clinical feature analysis of descending duodenal mucosal adenocarcinoma: A case report

Jin-Yuan Zhang et al. World J Gastrointest Surg. .

Abstract

Background: Mucosal adenocarcinoma of the descending duodenum is a very rare gastrointestinal tumor. Due to its low incidence, it has rarely been the focus of clinical and pathological studies. The clinical manifestations of these tumors are usually nonspecific, and they are easily misdiagnosed or missed. Pathological diagnosis is the gold standard for diagnosis, but due to the small number of cases, the relevant pathological characteristics and diagnostic criteria are not completely clear. The purpose of this study was to deepen the understanding of the diagnosis and treatment of this disease and to provide a clinical guidance.

Case summary: A 61-year-old woman who was hospitalized with recurrent abdominal pain for more than 20 days. The patient developed epigastric pain with no obvious cause more than 20 days prior, mainly left epigastric pain and middle epigastric pain, and presented persistent dull pain without nausea or vomiting, fever or chills. The patient was treated at a local hospital, gastroscopy revealed a new lesion in the circum-intestinal cavity in the descending part of the duodenum, and pathological biopsy revealed mucous adenocarcinoma in the descending part of the duodenum. Currently, for further diagnosis and treatment, the patient is admitted to our hospital for surgical treatment for "malignant tumor of the duodenum" in the outpatient department.

Conclusion: Mucosal adenocarcinoma of the descending duodenum has a high misdiagnosis rate and missed diagnosis rate, clinical manifestations lack specificity, and pathological diagnosis is the main basis for diagnosis.

Keywords: Case report; Clinical features; Descending duodenal mucosal adenocarcinoma; Pathological diagnosis; Rare tumor.

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Conflict of interest statement

Conflict-of-interest statement: All the authors report no relevant conflicts of interest for this article.

Figures

Figure 1
Figure 1
Pathological features of descending duodenal mucosal adenocarcinoma.
Figure 2
Figure 2
Results of plain computed tomography scan of the patient’s lower abdomen.
Figure 3
Figure 3
Magnetic resonance imaging images of the patient’s lower abdomen. A: Cross section and side view; B: Anterior coronal plane; C: Posterior coronal plane.
Figure 4
Figure 4
Electronic proctoscopy image results. Arrow: Lesion of coronal plane.
See this image and copyright information in PMC

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