Periodicidad semestral: flujo continuo.
ISSN - Electrónico: 2661-6947 / DOI: 10.36015 • LILACS BIREME (19784); LATINDEX (20666)
INTRODUCTION. Positron-Emission Tomography- Computerized Tomography, is used for staging, re-staging, follow-up and response to treatment in patients with cutaneous melanoma. OBJECTIVE. To evaluate the usefulness of Positron-Emission Tomography- Computer Tomography in the detection of metastasis in patients with cutaneous melanoma. MATERIALS AND METHODS. Observational retrospective study. Information obtained from the statistical base of Positron-Emission Tomography- Computerized Tomography Unit of the Carlos Andrade Marin, Hospital Specialty in Quito-Ecuador, from January 2016 to June 2018. RESULTS. Information was collected from 100 patients, 48 met the inclusion criteria. The general average age was 64,19 years (SD 12,5 years). 35,4% of the patients had a positive sentinel lymph node and 64,6% with a secondary frequency in 29,4% (p = 0,43). In 60% of patients, the reason for the request was re-staging. Patients with and without ulcerated melanoma had an average age of 67,8 years and 59,8 years, respectively. The presence of distant metastasis presents a calculated risk estimate of 1,57 (95% CI 1,005 to 2,45) (p = 0,001). DISCUSSION. The higher percentage of ulcerated melanomas was found in older people, being statistically significant; however, none of the two variables had a statistical relationship with the presence of distant metastases. No relationship was found with the Breslow thickness and the presence of distant metastasis. CONCLUSION. The study by Positron-Emission Tomography- Computerized Tomography, is the most sensitive for the detection of distant metastasis; they represent a higher risk of mortality.
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