Shahzad is among the most experienced Brain and Spine Surgeon's of Pakistan. He has operated on more than 500 cases of each of Brain Tumour(Glioma, Astrocytoma, Metastatic), Cerebral brain aneurysm, Cerebellopontine angle tumour, Acoustic Neuroma Schwannoma Tumor, Pituitary tumour, Prolactinoma, Craniopharyngioma, Rathke's Cleft Cyst, Sellar and Parasellar tumors and Brain Tuberculomas. Endoscopic Neurosurgery involving both Endoscopic brain surgery especially Transnasal transsphenoidal pituitary tumour surgery and Endoscopic third ventriculostomy(ETV), Endoscopic Repair of CSF Fistula, Leak, Rhinorrhea, Endoscopic excision of Encephaloceles, Endoscopic excision of Craniopharyngioma, Endoscopic excision of Colloid Cyst, Endoscopic Excision of Arachnoid Cyst, Endoscopic Excision of Petrous Apex lesions, Endoscopic excision of Skull Base Tumours.Trigeminal neuralgia treated by Microvascular decompression MVD, Head Injury and Spine Injury.Endoscopic Spine surgery like endoscopic discectomy,Slipped disc both Cervical and Lumbar, Spinal cord compression due to Tumors, Caries, Spine Fixation and especially in Pediatric Neurosurgery for children with neurosurgical conditions giving excellent results. He is an expert and master of Endoscopic Neurosurgery involving both Endoscopic brain surgery especially Transnasal transsphenoidal pituitary tumour surgery and Endoscopic third ventriculostomy(ETV), Endoscopic Spine surgery like endoscopic discectomy.