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Neuro-Oncology ; 24(Supplement 7):vii127, 2022.
Article in English | EMBASE | ID: covidwho-2189424

ABSTRACT

INTRODUCTION: Head and neck exocrine gland tumors metastases to central nervous system (CNS) account for less than 1% with median survival of less than 6 months. Unlike brain metastases from lung, breast, melanoma, and colon, there is no established consensus or published clinical guidelines in the management from excorine glands. Filipino patients are manage individually but experienced delays due to limited access to a tertiary level health care and with scarcity of treatment protocols. Methods and RESULTS: We present two cases with exocrine glands carcinoma with CNS metastases. First case is a 51/F with a known case of left parotid cystic adenocarcinoma s/p parotidectomy and radiation therapy 2 years prior to the development of neurological deficits and COVID-19 infection, neuroimaging noted extra-axial 7.5 x 5 x 4.5 cm contrast enhancing tumor at bilateral frontal convexity. She underwent bifrontal craniotomy, gross total excision of tumor and anterior sagittal sinus, histopathology results cystic adenocarcinoma. She was discharged GOS 2, planned for chemoradiotherapy but lost to follow up and expired after 2 months post op. Second case is a 28/M known case of lacrimal gland pleomorphic adenocarcinoma OD s/p excision biopsy 2 years prior to the development of multiple right frontal lobe, right orbital wall and right pterion metastases. He underwent gross excision of extracranial and intracranial tumors and a right orbital exenteration. He was discharged GOS 2 and underwent chemoradiation as outpatient with good tumor control and no tumor recurrence after 1 year of treatment. DISCUSSION: CNS metastases from exocrine glands are rare and difficult to manage since no approved protocol was established. Patients in low resource setting were then manage on individual basis since molecular and genomic studies are not available. The delays in the management are multifactorial such as geographic disadvantages, COVID-19 pandemic, and government's inadequate support for health system.

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