Monday, March 18, 2024

 Gamma Knife Radiosurgery for Recurrent Posterior Fossa Hemangioblastoma:

Case Summary:

This 47 year lady , diagnosed case of hemangioblastoma since 2014 underwent excision of posterior fossa SOL & insertion of VP shunt in 2014 & received cyber knife treatment 7 Gy x 3 fraction in MAY 2015 now presented with complaints of headache with vomiting & vertigo for 5 months & difficulty in walking for 1 month. Patient has no history of chemotherapy. On clinical examination middle aged lady is sitting on wheel chair comfortably has decrease both near vision & ataxia. MRI brain with contrast dated March 09, 2022 shows abnormal signal intensity enhancing mass lesion seen in posterior fossa in the region of brain stem involving the cerebellar vermis & progression in disease when compared with previous MRI brain with contrast. Histopathology dated December 16, 2014 shows hemangioblastoma. Risk of GKSRS have been explained. Written and valid consent obtained to proceed. 

Follow-up Comparative Study October 03, 2022:

Patient visited the gamma knife center for first routine follow up presented with recent MRI brain with contrast dated October 01, 2022 shows good resolution of previously targeted hemangioblastoma from 27.9 to 2.8 cc when compared with previous MRI brain with contrast dated May 19, 2022 consistent with good lesion control.