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[Primary neoplasm of unknown origin]
P Ferreira1, R Lebre, A Rodrigues
1Serviço de Medicina III, Hospitais da Universidade de Coimbra, Coimbra.
Acta Medica Portuguesa
|March 7, 2002
Summary
Cancer of unknown primary site (CUP) affects 2.5% of patients, with adenocarcinoma being the most common type. Prognosis remains poor due to aggressive disease and limited effective therapies.
Area of Science:
- Oncology
- Internal Medicine
Context:
- Cancer of unknown primary site (CUP) represents a significant clinical challenge.
- Analysis of patient data from the University Hospital of Coimbra between 1992 and 1998.
Purpose:
- To analyze the prevalence, characteristics, and outcomes of cancer of unknown primary site.
- To evaluate the diagnostic skill and prognostic factors in CUP cases.
Summary:
- The study identified 26 patients with CUP, representing 2.5% of malignant neoplasias.
- The median age was 64 years, with a male-to-female ratio of 4.2:1.
- Well-differentiated adenocarcinoma was the most frequent histological type (46.1%).
- The three-year global survival rate was critically low at 3.9%.
Impact:
- The prevalence aligns with existing literature, suggesting effective diagnostic approaches.
- The poor prognosis underscores the aggressive nature of CUP and the urgent need for improved therapeutic strategies.