Fumitake Tezuka
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View article: Application of the Full-endoscopic Ventral Facetectomy Technique for Postoperative Lumbar Facet Joint Cyst Resection: A Case Report
Application of the Full-endoscopic Ventral Facetectomy Technique for Postoperative Lumbar Facet Joint Cyst Resection: A Case Report Open
A lumbar facet joint cyst is a relatively uncommon lumbar spinal disease that includes synovial and ganglion cysts associated with the adjacent facet joint. Some studies have suggested that posterior decompression surgery is linked to the …
View article: Clinical Outcomes of Full-Endoscopic Disc Cleaning Surgery for Chronic Low Back Pain Associated with Modic Changes: A Case Series
Clinical Outcomes of Full-Endoscopic Disc Cleaning Surgery for Chronic Low Back Pain Associated with Modic Changes: A Case Series Open
This article reports a case series evaluating the short-term clinical outcomes of full-endoscopic disc cleaning (FEDC), which is one of the most minimally invasive surgical procedures for treating chronic low back pain (CLBP) due to Modic …
View article: Short-term Clinical and Radiographic Outcomes of Transforaminal Full-endoscopic Pars Crisscross Decompression of the Exiting Nerve Root under Local Anesthesia in Adult Isthmic Spondylolisthesis
Short-term Clinical and Radiographic Outcomes of Transforaminal Full-endoscopic Pars Crisscross Decompression of the Exiting Nerve Root under Local Anesthesia in Adult Isthmic Spondylolisthesis Open
In adult isthmic spondylolysis/spondylolisthesis, a fibrocartilaginous mass, ragged edge, and decrease in disk height cause radiculopathy with intervertebral foraminal stenosis. There are few reports on the outcomes of full-endoscopic spin…
View article: Pitfalls in the Diagnosis and Treatment of Low Back Pain in an Elite Para-athlete Successfully Treated by Transforaminal Full-endoscopic Discectomy with Thermal Annuloplasty: A Case Reports
Pitfalls in the Diagnosis and Treatment of Low Back Pain in an Elite Para-athlete Successfully Treated by Transforaminal Full-endoscopic Discectomy with Thermal Annuloplasty: A Case Reports Open
We report a rare case of an elite para-athlete with lumbar disk herniation whose pain generator was difficult to diagnose and treat. A 28-year-old woman with paraplegia below the T10 level felt pain in her low back and left leg during a ma…
View article: Transforaminal Endoscopic Lateral Recess Decompression
Transforaminal Endoscopic Lateral Recess Decompression Open
Transforaminal full-endoscopic spine surgery (TF-FESS) is a minimally invasive surgical procedure that can be performed with only an 8-mm skin incision under local anesthesia. TF-FESS has been used to treat not only lumbar disc herniation,…
View article: Comparison of Percutaneous Endoscopic Transforaminal Discectomy, Chemonucleolysis, Microdiscectomy, and Microendoscopic Discectomy for Symptomatic Lumbar Disc Herniation: One-year Follow-up Clinical Results and Disc Degeneration
Comparison of Percutaneous Endoscopic Transforaminal Discectomy, Chemonucleolysis, Microdiscectomy, and Microendoscopic Discectomy for Symptomatic Lumbar Disc Herniation: One-year Follow-up Clinical Results and Disc Degeneration Open
This study compared the 1-year clinical outcomes and disc degeneration rates after transforaminal full-endoscopic lumbar discectomy (TF-FED), condoliase injection, open discectomy (OD), and microendoscopic discectomy (MED) for lumbar disc …
View article: An alternative goal of conservative treatment in elite pediatric athletes with lumbar spondylolysis: A case report and literature review
An alternative goal of conservative treatment in elite pediatric athletes with lumbar spondylolysis: A case report and literature review Open
The main conservative treatment strategies for lumbar spondylolysis are bone healing and pain management. Bone healing requires cessation of sports, which may be difficult for pediatric athletes. A 15-year-old female athlete had bilateral …
View article: Relation between spine alignment and scapular position by plain radiograph examination
Relation between spine alignment and scapular position by plain radiograph examination Open
We identified factors that influence scapular position and demonstrated that scapular position can be estimated by a grading system using plain radiographs.
View article: Robotic-assisted minimally invasive repair surgery for progressive spondylolysis in a young athlete: a technical note
Robotic-assisted minimally invasive repair surgery for progressive spondylolysis in a young athlete: a technical note Open
Presently, the invasiveness of direct repair surgery for lumbar spondylolysis is relatively high. Thus, high school and junior high school students who play sports often cannot return to sports before graduation because of the invasiveness…
View article: Transforaminal full-endoscopic decompression under local anesthesia for foraminal stenosis due to stable L5 isthmic spondylolisthesis, a technical note and review:Pars crisscross decompression
Transforaminal full-endoscopic decompression under local anesthesia for foraminal stenosis due to stable L5 isthmic spondylolisthesis, a technical note and review:Pars crisscross decompression Open
Foraminal stenosis is one of the types of lumbar spinal stenosis. The pathology can be treated minimally invasively by full-endoscopic spine surgery (FESS). The final challenge in transforaminal FESS is foraminal stenosis in patients with …
View article: Full-Endoscopic Foraminal Decompression for Foraminal Stenosis Following Osteoporotic Vertebral Fracture in an Elderly Woman Under Local Anesthesia:A Case Report
Full-Endoscopic Foraminal Decompression for Foraminal Stenosis Following Osteoporotic Vertebral Fracture in an Elderly Woman Under Local Anesthesia:A Case Report Open
Osteoporotic vertebral fracture (OVF) is common in the elderly population. In this report, we describe a case with radiculopathy due to foraminal stenosis caused by OVF in a very elderly patient that was treated successfully by full-endosc…
View article: Cardiac arrest as an unusual complication in transforaminal full-endoscopic spine surgery under local anesthesia:a case report
Cardiac arrest as an unusual complication in transforaminal full-endoscopic spine surgery under local anesthesia:a case report Open
Elderly patients require careful intraoperative monitoring for emergencies during surgery under local anesthesia as under general anesthesia. J. Med. Invest. 71 : 314-319, August, 2024.
View article: Morphological Evaluation of Lumbar Facet Joints in Professional Baseball Players
Morphological Evaluation of Lumbar Facet Joints in Professional Baseball Players Open
Background: Many professional baseball players experience low back pain, a major cause of which is lumbar facet joint arthropathy. Purpose: To evaluate the relationship between the dominant hand side and facet joint morphology in baseball …
View article: Five Years of Follow-up after Posterior Cervical Fusion Surgery for Hirayama Disease:A Case Report
Five Years of Follow-up after Posterior Cervical Fusion Surgery for Hirayama Disease:A Case Report Open
Although cervical fusion surgery has several risks, including adjacent segment disease, posterior spinal fusion surgery without decompression in the short segment can be considered as a surgical option for HD. J. Med. Invest. 71 : 298-302,…
View article: Advantages of Full-endoscopic Trans-Kambin's Triangle Lumbar Interbody Fusion for Degenerative Spondylolisthesis: Illustrative Cases
Advantages of Full-endoscopic Trans-Kambin's Triangle Lumbar Interbody Fusion for Degenerative Spondylolisthesis: Illustrative Cases Open
Various approaches to lumbar interbody fusion have been described. The usefulness of full-endoscopic trans-Kambin's triangle lumbar interbody fusion has recently been reported. This technique has several advantages in patients with degener…
View article: Low Back Pain and Lumbar Degeneration in Japanese Professional Baseball Players
Low Back Pain and Lumbar Degeneration in Japanese Professional Baseball Players Open
Background: Baseball is one of the most popular sports in Asia. It is known that baseball can easily lead to back pain. However, there has been no survey of low back pain (LBP) and lumbar disc degeneration in Japanese professional baseball…
View article: Full-endoscopic Intradiscal Surgery: State of the Art
Full-endoscopic Intradiscal Surgery: State of the Art Open
Two types of full-endoscopic intradiscal surgery have been described in the literature. The first is full-endoscopic thermal annuloplasty, which was introduced in 2004 for discogenic pain. The proposed pain generator is a high signal inten…
View article: Transforaminal Full-endoscopic Discectomy for Gas-containing Herniated Nucleus Pulposus at L5-S1 Under Local Anesthesia : A Case Report
Transforaminal Full-endoscopic Discectomy for Gas-containing Herniated Nucleus Pulposus at L5-S1 Under Local Anesthesia : A Case Report Open
The vacuum phenomenon is often observed in degenerative disc disease, whereas gas-containing disc herniation is relatively rare. Full-endoscopic discectomy at the lumbar spine level via a transforaminal approach, which was established and …
View article: Full-Endoscopic Trans-Kambin Triangle Lumbar Interbody Fusion: Surgical Technique and Nomenclature
Full-Endoscopic Trans-Kambin Triangle Lumbar Interbody Fusion: Surgical Technique and Nomenclature Open
Background Full-endoscopic lumbar surgery is used for decompression of lumbar spinal canal stenosis. Now, a cage can be inserted through Kambin's triangle for lumbar interbody fusion (LIF). We have been performing full-endoscopic trans-Kam…
View article: Full-endoscopic Trans-Kambin’s Triangle Lumbar Interbody Fusion: Technique and Review of Literature
Full-endoscopic Trans-Kambin’s Triangle Lumbar Interbody Fusion: Technique and Review of Literature Open
Transforaminal full-endoscopic(fullendo) lumbar surgery was first introduced as a method for performing discectomy. More recently, it has been used for decompression of lumbar spinal canal stenosis. The fullendo technique can also be perfo…
View article: A new surgical strategy for the intractable chronic low back pain due to type 1 Modic change using transforaminal full-endoscopic disc cleaning (FEDC) surgery under the local anesthesia : A case report and literature review
A new surgical strategy for the intractable chronic low back pain due to type 1 Modic change using transforaminal full-endoscopic disc cleaning (FEDC) surgery under the local anesthesia : A case report and literature review Open
It has been reported that Modic change of the lumbar spine endplate includes three types: i.e. . edema or inflammation for type 1, fatty marrow change for type 2 and sclerotic change for type 3. Basically, type 1 Modic change may be relate…
View article: Full-endoscopic Spine Surgery for Discogenic Low Back Pain with High-intensity Zones and Modic Type 1 Change in a Professional Baseball Player
Full-endoscopic Spine Surgery for Discogenic Low Back Pain with High-intensity Zones and Modic Type 1 Change in a Professional Baseball Player Open
Non-specific low back pain in athletes can be caused by discogenic back pain, Modic type 1 change, and facet joint arthritis. In this report, we describe a full-endoscopic surgical strategy that we have used to treat a patient with both di…
View article: Planned Four-stage Transforaminal Full-endoscopic Lumbar Decompression under Local Anesthesia in a Patient with Severe Comorbidity
Planned Four-stage Transforaminal Full-endoscopic Lumbar Decompression under Local Anesthesia in a Patient with Severe Comorbidity Open
A 74-year-old man presented with symptoms of intermittent claudication. A diagnosis of lumbar spinal canal stenosis (LSS) at L3/4 and L4/5 was made based on the clinical and radiological findings. Bilateral lateral recess stenosis was dete…
View article: Successful Full Endoscopic Surgery for L5 Radiculopathy Due to L4-5 Discal Cyst and Disc Herniation in a Professional Baseball Player
Successful Full Endoscopic Surgery for L5 Radiculopathy Due to L4-5 Discal Cyst and Disc Herniation in a Professional Baseball Player Open
Discal cysts are rare intraspinal extradural cysts that communicate with the corresponding intervertebral discs, and the diagnosis is difficult to distinguish from other causes of low back pain and radiculopathy. Optimal management for thi…
View article: Extraosseous Signal Changes on Magnetic Resonance Imaging in Pediatric Patients with Early-Stage Lumbar Spondylolysis
Extraosseous Signal Changes on Magnetic Resonance Imaging in Pediatric Patients with Early-Stage Lumbar Spondylolysis Open
Purpose : To analyze extraosseous signal changes (ESCs) on magnetic resonance imaging (MRI) in pediatric patients with stress fractures occurring in the lamina. Methods : This study was a retrospective review of 69 consecutive pediatric pa…
View article: Risk Factor for Additional Intravenous Medication during Transforaminal Full-endoscopic Lumbar Discectomy under Local Anesthesia
Risk Factor for Additional Intravenous Medication during Transforaminal Full-endoscopic Lumbar Discectomy under Local Anesthesia Open
Transforaminal full-endoscopic lumbar discectomy (TELD) can be performed under local anesthesia. However, there have been no reports on risk factors for a change in vital signs or the need for additional medications to maintain adequate an…
View article: Return to the Original Work Activity Following the Full-endoscopic Lumbar Surgery under the Local Anesthesia
Return to the Original Work Activity Following the Full-endoscopic Lumbar Surgery under the Local Anesthesia Open
Transforaminal full-endoscopic spine (TF-FES) surgery is minimally invasive and can be performed under local anesthesia. Thus, it is expected that the patient can return to work (RTW) quickly. However, information in the literature regardi…
View article: Morphometric Analysis of Subaxial Cervical Spine with Myelopathy: A Comparison with the Normal Population
Morphometric Analysis of Subaxial Cervical Spine with Myelopathy: A Comparison with the Normal Population Open
The morphometry of the sagittal diameter of the spinal canal, sagittal-transverse ratio, and canal-body ratio on axial reconstructive CT images appears useful for distinguishing cervical spinal canal stenosis involving myelopathy.
View article: Successful full-endoscopic decompression surgery under local anesthesia for L5 radiculopathy caused by L5-Sforaminal stenosis and L4-5 lateral recess stenosis : A case report
Successful full-endoscopic decompression surgery under local anesthesia for L5 radiculopathy caused by L5-Sforaminal stenosis and L4-5 lateral recess stenosis : A case report Open
In this report, we presented a 65 year-old male case having right leg pain due to L5 radiculopathy. Based on the radiological examination including CT, MRI and radiculography, double crash impingement of L5 nerve root due to L4-5 lateral r…