Periosteal Variety of Sacral Osteoid Osteoma Encroaching into the Spinal Canal – Treatment with a Tubular Retractor System: Case Report

Volume 2 | Issue 2 | October 2021-March 2022 | page: 89-92 | Ravish Patel, Shivam Shah, Naresh Kumar, Shammi Patel

DOI: 10.13107/bbj.2022.v02i02.028

Authors: Ravish Patel [1], Shivam Shah [1], Naresh Kumar [2], Shammi Patel [3]

[1] Department of Orthopaedic Surgery, Sunshine Global Hospital, Vadodara, Gujarat, India.
[2] Department of Orthopaedic Surgery, National University Hospital, Singapore.
[3] Department of Orthopaedic Surgery, Krupa Orthopaedic Hospital, Surat, Gujarat, India.

Address of Correspondence
Dr. Ravish Patel,
Consultant Spine Surgeon, Sunshine Global Hospital, Vadodara, Gujarat, India.


Background: Osteoid osteomas are benign primary bone tumors with a predilection for posterior elements of the spinal column. Complete surgical excision through a traditional open approach is the treatment of choice for patients not responding to non-steroidal anti-inflammatory medications and patients with contraindications for nidus ablation. The study aims to highlight an alternative minimally invasive technique for complete surgical excision of osteoid osteoma encroaching into the spinal canal.
Methods: We report a case of 22 years-old obese male suffering from left S1 radiculopathy and night pain. Magnetic resonance imaging and computed tomography (CT)-scan of the lumbosacral region revealed a benign bony lesion of size 13 mm × 11 mm × 8 mm encroaching from S1 lamina into the spinal canal and compressing left S1 root. Peri-lesional bony sclerosis and soft tissue edema were absent. In view of obesity and a small size of the lesion, it was decided to remove the lesion with a tubular retractor system under general anesthesia. Complete resection of the lesion was carried out sparing the L5-S1 facet, with a minimally invasive approach.
Results: Patient had complete symptomatic improvement after the surgery. Histopathology showed interconnected trabeculae of woven bone matrix rimmed by osteoclasts consistent with the diagnosis of osteoid osteoma. Post-operative CT scan showed that the nidus was removed completely and important structures such as facet, pedicle, and midline posterior ligament complex were preserved. The patient resumed his daily activities and remained symptoms-free at the end of 6 months of follow-up.
Conclusion: Minimally invasive surgery using a tubular retractor system can be safe and effective alternative to traditional open surgery for excision of osteoid osteoma from the posterior elements. Faster recovery, minimal tissue damage, and early return to work are added advantages for an obese patient undergoing minimally invasive total surgical excision.
Keywords: Benign bone tumors, Sacral spine, Osteoid osteoma, Periosteal osteoid osteoma, Minimally invasive spine surgery, Tubular retractor system


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How to Cite this Article: Patel R, Shah S, Kumar N, Patel S Periosteal Variety of Sacral | Osteoid Osteoma Encroaching into the Spinal Canal – Treatment with a Tubular Retractor System: Case Report | Back Bone: The Spine Journal | October 2021-March 2022; 2(2): 93-97.

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Minimally Invasive Trans-foraminal Lumbar Interbody Fusion (MI-TLIF): Technique, Tips and Tricks.

Volume 2 | Issue 2 | October 2021-March 2022 | page: 60-64 | Sanjeev Asati, Saijyot Raut, Vishal Kundnani, Amit Chugh, Ameya Rangekar, Praveen VNR Goparaju
DOI: 10.13107/bbj.2022.v02i02.023

Authors: Sanjeev Asati [1], Saijyot Raut [1], Vishal Kundnani [1], Amit Chugh [1], Ameya Rangekar [1], Praveen VNR Goparaju [1]

[1] Department of Spine Surgery, Bombay Hospital & Medical Research Centre, Mumbai, Maharashtra, India.
[2] Mumbai Spine Scoliosis and Disc Replacement Centre, Mumbai, Maharashtra, India.

Address of Correspondence
Dr. Saijyot Raut,
Clinical spine fellow, Bombay Hospital & Medical Research Centre & Mumbai Spine Scoliosis and Disc Replacement Centre, Mumbai, Maharashtra, India.


Surgical interbody fusion is the main stay of treatment in many lumbar pathologies. Of these, transforaminal lumbar interbody fusion has progressively gained popularity among fusions due to its safety and satisfactory results. With the ever-ending evolution of technological advancements enabled spine surgeons to embrace minimally invasive surgeries mainly due to focal nature of the pathology. Tubular retractors have been tried and tested with very good results when used with microscopic magnification. They helps in surgical decompression and fusion through transforaminal approach with minimal footprint and have proven their versatility by delivering excellent outcomes. Near total bloodless surgery, better cosmesis, decreased hospital stay, lower pain score, early return to work, are some other proven advantages with minimally invasive transforaminal interbody fusion MIS-TLIF. However, high procedural costs and longer trajectory of learning is restraining many surgeons from adapting this technique over time tested open procedures. In this report the authors discuss about the nuances of the surgical procedure, tips and tricks to provide a comprehensive insight and better understanding.

Keywords: MIS-TLIF, Minimally invasive spine surgery, Transforaminal lumbar interbody fusion.


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How to Cite this Article: Asati S, Raut S, Kundnani V, Chugh A, Rangekar A, Goparaju P VNR | Minimally Invasive Trans-foraminal Lumbar Interbody Fusion (MI-TLIF): Technique, Tips and Tricks. | Back Bone: The Spine Journal | October 2021-March 2022; 2(2): 60-64.


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