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[Peritoneal carcinomatosis]

S S Coelho1, P M Silva, J Ramos

  • 1Serviço de Medicina, Hospital de Santa Marta, Lisboa.

Acta Medica Portuguesa
|October 17, 1998
PubMed
Summary
This summary is machine-generated.

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Identifying the primary tumor in peritoneal carcinomatosis (PC) is challenging. This case highlights extraovarian peritoneal serous papillary carcinoma, even with no initial ovarian evidence.

Area of Science:

  • Gynecologic Oncology
  • Pathology
  • Surgical Oncology

Background:

  • Peritoneal carcinomatosis (PC) diagnosis often requires identifying the primary tumor for effective prognosis and treatment.
  • Ovarian and gastrointestinal neoplasms are the most common primary sources for PC.

Observation:

  • A 70-year-old woman presented with PC, posing a diagnostic challenge.
  • Initial imaging (ultrasound, CT) showed no ovarian disease.
  • Fine-needle aspiration cytology of peritoneal implants revealed ovarian papillary carcinoma.

Findings:

  • The patient's presentation is consistent with extraovarian peritoneal serous papillary carcinoma.
  • A key diagnostic criterion for this condition is absent or insignificant ovarian histology.
  • Histological confirmation of the ovaries was not possible due to contraindications for surgery.

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Implications:

  • This case underscores the diagnostic difficulty of PC when the primary tumor is occult.
  • It emphasizes the importance of considering extraovarian origins, particularly ovarian papillary carcinoma, in cases of unexplained PC.
  • Further research into diagnostic modalities for occult primary tumors in PC is warranted.