Prof. A Sattar M. Hashim is one of the Senior most neurosurgeons of Pakistan . Remained Assistant Prof. , Associate Prof. and Prof. of Neurological surgery at Jinnah post Graduate medical Center and served there for 28 years during his Career, he trained 25 Neurosurgeons who are serving in Pakistan and Abroad. He was Superviser and Examiner of CPSP and University of Karachi. He attended national and International conferences and delivered lectures. He has written 50 publications in local and international journals.

In 1995, established Neurospinal and Cancer Care Institute under the Umbrella of M. Hashim Memorial trust and he First time Established Gammaknife and Xknife (brain and Whole body) Stereotactic Radiosurgery in 2008 as a Pioneer. And till today ,more than 5000 patients have been treated in last 15 years .

• 1986 6 months placement with Prof. Fukushima at Atsuchi Hospital Kagoshima ,Japan
• 1986 8 weeks placement at neurovascular center Osaka to learn treatment Moya –Moya disease

• 1990 8 weeks placement at Neurology and neurosurgical Center Queens Square London with Prof. Simon, Michael Powel and Prof Allan Crocked

• 1991 6 weeks placement with Prof. Edward R. laws Jn. At George Washington School of Medicine at Washington DC

• 1998 Hands on Cadaveric workshop on Neuro-endoscopy Singapore prof Gaab
• 2002 Spine Neuro-endoscopy hands on Kolhapur, India.
• 2005 Hands on Caderic workshop on Neuro-endoscopy, Germany.
• 2007 Endoscopic approach to Anterior dorsal spine workshop at Frankfard Germany.

• 2011- 6 months placement with Prof. Matsuda at Shizouka Institute of Epilepsy Japan

• 2008 – Course on Radiosurgery Pittsburg USA.
• 2009 – Course on Linac based stereotactic radiosurgery Germany.
• 2011- Functional radiosurgery workshop at marselle France.
• 2019- Functional radiosurgery workshop at marselle France.

1. Multiple craniocervical anomalies.
   Acta Med University Kagoshima, 25(2), 75-86, 1983
2. Giant Mucocele of paranasal sinuses. Hashim ASM et al
   Surgical Neurology (New York) 23, 69-74, 1985
3. Angiographically Occult AV malformations.   Hashim ASM et al
   Surgical Neurology (New York) 23, 431-9, 1985
4. Carotid Cavernous fistulae treated with Matas test as Neurochurgia    Japonica 3:34-36, 1984
5. The Microvascular anastomosis, Effects of protein free ex tract of calves blood “Solcoseryl” assessed by Scanning electron microscopy.
6. Aphasisa and related disorders.
   Neurochurgia Japonica 6:20-27, 1986.
7. Effects of Solcoseryl on micro vascular anastomosis as assessed by Scanning electron microscopy Cytoprotection and   cytobiology 43:173-185, 1986.
8. Japanese translation of the Cytoprotection and biology Vol-4, 137-151.
9. Diagnosis of intracranial hemorrhages with ultrasonic Doppler flowmetry of common carotid artery. Proceedings of the 5^th conference of the Japan academy of  Neurosonology 32-34, 1986.
10. Diagnosis of mucocele of paranasal sinuses with special reference to computed tomography and magnetic resonance imaging .
    Pakistan Journal of Otolaryngology, 1985, 5,167-177.
11. Gunshot injuries of spine in civilian practice.
    Proceedings of the 1^st International Neurosurgical Conference of Pakistan.
    British Journal of Neurosurgery, April, 1989.
12. Surgical management of tethered spinal cord syndrome. Analysis of 248      cases. Hashim ASM et al Journal of surgery Pakistan  Vol. 12(4) Oct – Dec  2007.
13. Management of Myelomingocele. Hashim ASM et al Journal of surgery   Pakistan vol 13 no I March 2008.
14. Outcome Cloward technique in cervical disc prolapse. Hashim  etal  JCPSP. Vol (20(11) 733-737. 2010.
15. Serum S100B in patients with brain tumors undergoing craniotomy. JCPSP vol 23 (2) feb 2013.
16. Anterior cervical decompression and fusion with Casper plate fixation.   Hashim et al JCPSP vol 23(4) feb 2013.
17. Anterior decompression and fixation with Webb-Morley procedure in  dorsolumber spinal injury. JCPSP. Vol (05) may 2013.
18.  Multisession stereotactic radiosurgery for large benign brain tumors. Journal of radiosurgery and SBRT volume 2 2012.
19. Multimodality treatment of craniopharyngiomas a monogram book on radiosurgery.

• 1986 6 months placement with Prof. Fukushima at Atsuchi Hospital Kagoshima ,Japan.
• 1986 8 weeks placement at neurovascular center Osaka to learn treatment Moya –Moya disease.

• 1990 8 weeks placement at Neurology and neurosurgical Center Queens Square London with Prof. Simon, Michael Powel and Prof Allan Crocked

• 1991 6 weeks placement with Prof. Edward R. laws Jn. At George Washington School of Medicine at Washington DC

• 1998 Hands on Cadaveric workshop on Neuro-endoscopy Singapore prof Gaab
• 2002 Spine Neuro-endoscopy hands on Kolhapur, India.
• 2005 Hands on Caderic workshop on Neuro-endoscopy, Germany.
• 2007 Endoscopic approach to Anterior dorsal spine workshop at Frankfard Germany.

• 2011- 6 months placement with Prof. Matsuda at Shizouka Institute of Epilepsy Japan

• 1995 – Course Maebashi Japan, Prof. Chereo Ohye
• 2001 – Thalmotomy workshop Elekta Amesterdam
• 2008 – Thalmotomy workshop Elekta Amesterdam
• 2018 – Deep brain stimulaton course at south Africa (medtronics)
• 2018 – Deep brain stimulation workshop in person with Prof Sherman OR at AMS
• 2020 – Deep brain stimulation workshop in OR in person with Prof Wang uni. of chungdu China.
• 2020 – Deep brain stimulation for addiction with Prof Bomin Son of Shahaghai China.
• 2020- Course on movement disorders at Qeens squire London neurological center
• 2021- Deep brain stimulation for pain at Umeuo Uni with Boldsmith and Marwan Haris.     

• 2008 – Course on Radiosurgery Pittsburg USA.
• 2009 – Course on Linac based stereotactic radiosurgery Germany.
• 2011- Functional radiosurgery workshop at marselle France.
• 2019- Functional radiosurgery workshop at marselle France.

• Pakistan society of
• World society of stereotactic radiosurgery.
• World society of Skull base radiosurgery.
• World society of Neuro oncology AANS.

Presented papers in various national and international conferences and also delivered lectures as guest speaker at various forums.

Presently working as Chairman of M. Hashim Memorial Trust and Senior Neurosurgeon at Neurospinal and Postgraduate Cancer Care Institute practicing Gammaknife Radiosurgery , Spinal and Neurosurgery including Microneurosurgery.