Recurrence and metastasis of pseudomyxoma peritonei: A rare case report

Linjuan He1, Wangsheng Chen1

  • 1Department of Radiology, Hainan General Hospital (Hainan Affiliated Hospital of Hainan Medical University), NO. 19, Xiuhua St, Xiuying Dic, Haikou, Hainan 570311, PR China.

PubMed

Insights

Pseudomyxoma peritonei (PMP) is a rare appendiceal neoplasm often misdiagnosed due to vague symptoms. This case highlights recurrent metastatic PMP in a 62-year-old male with a history of abdominal pain and prior surgeries.

Area of Science:

  • Oncology
  • Gastroenterology
  • Abdominal Surgery

Background:

  • Pseudomyxoma peritonei (PMP) is a rare malignancy originating from appendiceal epithelium.
  • PMP presents with non-specific symptoms, frequently leading to diagnostic challenges and delayed treatment.
  • Appendiceal neoplasms are the primary driver of PMP, necessitating specialized oncologic and surgical management.

Observation:

  • A 62-year-old male presented with a history of unexplained epigastric and paroxysmal abdominal pain with distension spanning over eight years.
  • The patient underwent multiple surgical interventions in 2015 and 2018 for his condition.
  • This case involves recurrent and metastatic PMP, underscoring the complex nature of the disease.

Findings:

  • The diagnostic delay in PMP is often attributed to its insidious onset and nonspecific clinical presentation.
  • Recurrence and metastasis highlight the aggressive potential of PMP even after surgical intervention.
  • Accurate diagnosis and timely management are crucial for improving outcomes in PMP patients.

Implications:

  • This case emphasizes the importance of considering PMP in patients with persistent, unexplained abdominal symptoms, especially with a history of appendiceal issues.
  • Improved diagnostic strategies and multidisciplinary treatment approaches are needed to enhance PMP patient survival rates.
  • Further research into the molecular mechanisms and optimal therapeutic targets for PMP is warranted to address its challenging clinical behavior.