RESUMO
OBJECTIVE: To analyze, in a cohort of acromegalic patients, the results of the efficiency and safety of radiosurgery (CyberKnife), as well as the prognostic factors associated with disease remission. MATERIAL AND METHODS: Observational, retrospective, longitudinal, and analytical study that included acromegalic patients with persistent biochemical activity after initial medical-surgical treatment, who received treatment with CyberKnife radiosurgery. GH and IGF-1 levels at baseline after one year and at the end of follow-up were evaluated. RESULTS: 57 patients were included, with a median follow-up of four years (IQR, 2-7.2 years). The biochemical remission rate was 45.6%, 33.33% achieved biochemical control, and 12.28% attained biochemical cure at the end of follow-up. A progressive and statistically significant decrease was observed in the comparison of the concentrations of IGF-1, IFG-1 x ULN, and baseline GH at one year and at the end of follow-up. Both cavernous sinus invasion and elevated baseline IGF-1 x ULN concentrations were associated with an increased risk of biochemical non-remission. CONCLUSION: Radiosurgery (CyberKnife) is a safe and effective technique in the adjuvant treatment of GH-producing tumors. Elevated levels of IGF x ULN before radiosurgery and invasion of the cavernous sinus by the tumor could be predictors of biochemical non-remission of acromegaly.
RESUMO
Resumen Los pacientes diagnosticados de adenocarcinoma gástrico pueden desarrollar metástasis hepáticas o carcinomatosis peritoneal, pero la presencia de metástasis musculares es extremadamente infrecuente, con muy pocos casos descritos. Presentamos a una paciente de 44 años con una tumoración dolorosa en miembro superior izquierdo. Fue tratada un año antes de un adenocarcinoma gástrico con cirugía y quimioterapia. Mediante pruebas de imagen y biopsia, se le diagnosticó metástasis muscular única de adenocarcinoma gástrico, siendo intervenida realizando exéresis quirúrgica.
Abstract Patients diagnosed with gastric adenocarcinoma may develop liver metastases or peritoneal carcinomatosis, but the presence of muscle metastases is extremely rare, with very few cases reported. We present a 44-year-old female patient with a painful tumor in her left upper limb. She was treated with surgery and chemotherapy for gastric adenocarcinoma a year before. By imaging tests and biopsy, she was diagnosed with a single muscle metastasis from gastric adenocarcinoma and underwent surgical exeresis.