Brain metastasis from prostate carcinoma: The M. D. Anderson Cancer Center experience (Journal article)

Tremont-Lukats, I. W./ Bobustuc, G./ Lagos, G. K./ Lolas, K./ Kyritsis, A. P./ Puduvalli, V. K.

BACKGROUND: The objective of this study was to estimate the incidence and describe distribution, clinical presentation, and prognosis of brain metastases in patients with prostate carcinoma who were seen at The University of Texas M. D. Anderson Cancer Center (MDACC). METHODS: The authors reviewed the charts of 16,280 patients with prostate carcinoma in the MDACC patient data base. Of 131 patients with craniospinal metastases confirmed by neuroimaging (n=53 patients) or autopsy (n=78 patients), 103 of 16,280 patients (0.63%) had parenchymal metastases. RESULTS: The median patient age at diagnosis was 64 years (range, 16-85 years). The median interval from the diagnosis of prostate carcinoma to the detection of brain metastasis was 35 months for patients with adenocarcinoma and 48 months for patients with small cell carcinoma (SCC). Confusion, headache, and memory deficits were the most frequent initial symptoms. Eighty-six percent of patients had single lesions, and 14% of patients had > or = 2 lesions. Metastases were supratentorial in 81 of 103 patients (76%), infratentorial in 22 of 103 patients (21%), and both supratentorial and infratentorial in 3 of 103 patients (3%). SCC and cribriform subtypes were more likely than adenocarcinoma to metastasize to the brain (relative risk, 20.36; 95% confidence interval, 9.91-41.84). Regardless of histology, the median survival in untreated patients was 1 month compared with 3.5 months in patients who were treated with radiotherapy. Patients who underwent stereotactic radiosurgery (n=5 patients) had a longer median survival (9 months). Survival was not affected by supratentorial or infratentorial location of metastases. CONCLUSIONS: Brain metastasis from prostate carcinoma is a rare, terminal event with death in <1 year frequently due to advanced, systemic disease. The majority of metastases were single and supratentorial. The most common clinical presentation was nonfocal neurologic symptoms related to intracranial hypertension. A better understanding of the biology of prostate carcinoma will help clarify the basis for its metastasis to the brain.
Institution and School/Department of submitter: Πανεπιστήμιο Ιωαννίνων. Σχολή Επιστημών Υγείας. Τμήμα Ιατρικής
Keywords: Adenocarcinoma/complications/*diagnosis/mortality/*secondary,Adolescent,Adult,Aged,Aged, 80 and over,Brain Neoplasms/complications/*diagnosis/mortality/*secondary,Delirium/etiology,Headache/etiology,Humans,Incidence,Magnetic Resonance Imaging,Male,Middle Aged,Prognosis,Prostatic Neoplasms/*pathology,Retrospective Studies,Survival Analysis
ISSN: 0008-543X
Appears in Collections:Άρθρα σε επιστημονικά περιοδικά ( Ανοικτά)

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