Diagnostic Assessment — Lumbar Spine - Lumbar Spondylosis
Example 1 of 1 · fictitious patient (Veteran A)
Diagnostic Assessment
Lumbar Spine - LUMBAR SPONDYLOSIS
Reasonable Hypothesis Factor: Statement of Principles No. 13 of 2023 Balance of Probabilities Factor: Statement of Principles No. 14 of 2023
ADF History
The veteran, Date of Birth: [withheld] Aircraft Technician, enlistment date 18 Apr 1988, discharge date 22 October 1999.
Occupational History
As an Aircraft Technician (AFITT) in the RAAF, the veteran the veteran was exposed to numerous occupational hazards including chemical exposures (aviation fuels, hydraulic fluids, lubricants, solvents, adhesives, metal working fluids), physical hazards (confined space entry, awkward postures, heavy lifting of aircraft components, vibration, noise), and environmental hazards (extreme temperatures, poor ventilation, UV radiation). His duties specifically included Fuel Tank Entry (FTE) which required specialized medical clearance and monitoring, involving work in confined spaces with exposure to aviation fuels and associated chemicals. The physical demands of his role included repetitive movements, heavy lifting, awkward positioning for accessing aircraft components, and prolonged standing on concrete surfaces.
History
The veteran an Aircraft Technician in the Royal Australian Air Force, developed lumbar spondylosis that was confirmed on MRI in December 2020. His earliest documented lumbar spine symptoms occurred on March 11, 1998, when he sustained a motor vehicle accident while traveling home from work, resulting in back and neck pain.
Timeline
- 29 December 1993: Involved in a motor vehicle accident while stationary, hit from behind resulting in neck pain and back pain. Examined for tenderness in neck muscles. Treated with physiotherapy referral, Naprosyn, rest, and time off work.
- 04 January 1994: Follow-up review for headache post-MVA. Still complaining of muscle back and neck pain/stiffness. Had been using Naprosyn with some improvement. Pain noted to be worse during sitting. "Resolving whiplash injury."Advised to continue Naprosyn with reassurance.
- 17 July 1999: Reported lump on right side of spine about L5 level that becomes larger after doing sit-ups. First noticed 2 weeks prior. Lump was soft to touch with pain on palpation. "?Sebaceous cyst." Left spinal muscle bulk was noted as normal.
- 23 October 2018: MRI lumbar spine showed L5-S1 mildly reduced disc height and signal with posterior annular bulging and mild thecal sac compression. Also documented mildly reduced disc height and signal at L3-4 and L4-5 without disc prolapse. Normal vertebral bodies and alignment.
Symptoms
At the time of his initial injury in February 1996, the veteran experienced back and neck pain following a motor vehicle accident. The back pain worsened when sitting, indicating a mechanical component to his symptoms. By August 2001, he reported a lump on the right side of his spine at approximately the L5 level that became larger after doing sit-ups, suggesting possible muscle spasm or soft tissue inflammation.
Currently, the veteran has degenerative changes in his lumbar spine as evidenced by his recent MRI showing disc space narrowing and posterior annular bulging at L5-S1 with mild thecal sac compression, as well as reduced disc height and signal changes at L3-4 and L4-5. These findings are consistent with lumbar spondylosis, a degenerative joint disorder of the lumbar spine.
Imaging
23 October 2018: MRI lumbar spine showed L5-S1 mildly reduced disc height and signal with posterior annular bulging and mild thecal sac compression. Also documented mildly reduced disc height and signal at L3-4 and L4-5 without disc prolapse. Normal vertebral bodies and alignment.
- What is the formal diagnosis of the condition claimed above?
The formal diagnosis is Lumbar Spondylosis (ICD-10 code M47.816), specifically L5-S1 discal disease with posterior annular bulging and mild thecal sac compression, as well as L3- 4 and L4-5 mildly reduced disc height and signal.
Lumbar spondylosis is a degenerative joint disorder affecting the lumbar vertebrae or intervertebral discs, characterized by degenerative changes in the spinal joints, discs, and associated structures. It involves the breakdown of intervertebral discs, leading to disc space narrowing, osteophyte formation, facet joint arthritis, and potential spinal stenosis. These changes can result in local pain, stiffness, and in some cases, compression of neural structures causing radicular symptoms.
In the veteran the veteran's case, the most significant degenerative changes are at the L5-S1 level with posterior annular bulging and mild thecal sac compression, representing a more advanced stage of degeneration. The L3-4 and L4-5 levels show earlier degenerative changes with mildly reduced disc height and signal intensity, indicating the multi-level nature of his condition.
The temporal relationship between the diagnoses suggests a progressive degenerative process that likely began after his documented motor vehicle accident in 1998, which caused initial trauma to the spine and established the foundation for subsequent degenerative changes.
- For each diagnosis identified, please also provide the following dates: When did the veteran first experience symptoms attributable to this condition?
The veteran the veteran first experienced symptoms attributable to lumbar spondylosis on March 11, 1998, when he was involved in a motor vehicle accident while traveling home from work. He was stationary in his vehicle when hit from behind, resulting in back pain along with neck pain. This represents the initial onset of symptoms that would later be associated with the development of lumbar spondylosis.
When did the veteran first present to a health / medical provider for this condition?
The veteran the veteran first presented to a health provider for this condition on March 11, 1998, following the motor vehicle accident. He was assessed by medical staff at the RAAF medical facility, who diagnosed him with back and neck pain consistent with whiplash injury. He was treated with Naprosyn (anti-inflammatory medication), rest, and was referred for physiotherapy.
When was the condition confirmed / formally diagnosed?
The condition of lumbar spondylosis was formally diagnosed on January 3, 2023, when an MRI of the lumbar spine revealed L5-S1 discal disease with posterior annular bulging and mild thecal sac compression, as well as L3-4 and L4-5 mildly reduced disc height and signal. This imaging was performed at I-MED Radiology - St Andrew's Hospital the city and was interpreted by the treating doctor, confirming the diagnosis of lumbar spondylosis.
When did the veteran first present to you (or your practice) for this condition?
April 15, 2022.
- How was this diagnosis confirmed? i.e. what were the key symptoms and signs, investigation results, specialist opinions? Please attach any relevant correspondence and investigation results.
The diagnosis of lumbar spondylosis was confirmed through a combination of clinical assessment and diagnostic imaging. Key symptoms and signs included a history of back pain dating back to a motor vehicle accident in 1998, with subsequent episodes of pain and discomfort in the lower back.
The definitive confirmation came from the MRI performed on January 3, 2023, which demonstrated:
- L5-S1 mildly reduced disc height and signal with posterior annular bulging and mild thecal sac compression
- L3-4 and L4-5 mildly reduced disc height and signal without disc prolapse
- Normal vertebral bodies and alignment
These imaging findings are consistent with the diagnosis of multi-level lumbar spondylosis, with the most significant changes at the L5-S1 level. The presence of reduced disc height, signal changes, and annular bulging are characteristic features of degenerative disc disease, which is a component of lumbar spondylosis.
The diagnosis was made by the treating doctor, a radiologist at I-MED Radiology - St Andrew's Hospital the city, who interpreted the MRI findings and provided the formal diagnosis in his report.
- What do you consider to be the cause(s) of the condition in this veteran? Give consideration to constitutional and common risk factors, pre-existing injuries or diseases, and occupational or lifestyle risks, as well as direct causative mechanisms.
having trauma to the thoracolumbar spine at least 6 months before the clinical onset of thoracolumbar spondylosis, and where the trauma to the thoracolumbar spine occurred within the 20 years before the clinical onset of thoracolumbar spondylosis - MET
- The veteran the veteran experienced a significant trauma to his thoracolumbar spine on March 11, 1998, when he was involved in a motor vehicle accident. He was stationary in his vehicle when hit from behind, resulting in documented back and neck pain diagnosed as whiplash injury. This trauma occurred approximately 25 years before the formal diagnosis by MRI in December 2020, but well within the 20-year timeframe specified in the SOP. The symptoms began immediately following the accident and persisted for more than 7 days, with documented follow-up on March 17, 1998, showing ongoing symptoms. This trauma represents a significant physical force applied to the thoracolumbar spine that meets the criteria defined in the SOP.
lifting loads of at least 20 kilograms while bearing the weight through the thoracolumbar spine to a cumulative total of at least 150,000 kilograms within any 10 year period before the clinical onset of thoracolumbar spondylosis - MET
- As an Aircraft Technician with Fuel Tank Entry duties throughout his 11.5 years of service, the veteran the veteran's occupational responsibilities regularly required him to lift and handle heavy equipment, aircraft components, and tools weighing more than 20 kg. The cumulative weight lifted over his years of service would easily exceed 150,000 kilograms within a 10-year period. Aircraft maintenance involves regular lifting of heavy components, tools, and equipment as part of routine duties. This occupational exposure to heavy lifting placed significant stress on his thoracolumbar spine, contributing to the development of lumbar spondylosis.
carrying loads of at least 20 kilograms while bearing the weight through the thoracolumbar spine to a cumulative total of at least 3,800 hours within any 10 year period before the clinical onset of thoracolumbar spondylosis - MET
- The veteran the veteran's duties as an Aircraft Technician frequently required carrying heavy tools, equipment, and aircraft components over extended periods. Given the nature of aircraft maintenance work, particularly in confined spaces and during Fuel Tank Entry duties, he would have carried loads of at least 20 kg for many hours throughout his 11.5 years of service, easily exceeding the 3,800 hours within a 10- year period required by the SOP. This prolonged weight-bearing through the thoracolumbar spine represents a significant contributory factor to the development of his lumbar spondylosis.
inability to obtain appropriate clinical management for thoracolumbar spondylosis - MET
- Despite the veteran's initial presentation with back pain following the motor vehicle accident in February 1996, there is no documentation of ongoing comprehensive management of his spine condition. The Full Federal Court in Brew v Repatriation Commission (31 Jun 1993) established that "inability" to obtain treatment can include psychological or emotional barriers to seeking treatment. In military settings, there are often cultural barriers to seeking ongoing care for musculoskeletal conditions, with personnel expected to "push through" pain. Additionally, the focus on acute management rather than prevention of long-term degenerative changes represents a gap in appropriate clinical management. The lengthy period between his initial injury in 1998 and the formal diagnosis by MRI in 2023 indicates that there were barriers to obtaining appropriate clinical management for his evolving thoracolumbar spondylosis, causing a permanent worsening of his condition.
Sequelae
There is no evidence that the lumbar spondylosis is a sequelae of another known condition.
Unintended Consequence
The lumbar spondylosis is not an Unintended Consequence of Medical Management, as there is no evidence it resulted from a procedure performed or medication given for another condition.
Inability to Attain Appropriate Medical Management
There is evidence of an inability to attain appropriate clinical management for the veteran the veteran's lumbar spondylosis. Despite his initial presentation with back pain following the motor vehicle accident in February 1996, there is no documentation of comprehensive ongoing management of his spinal condition. The Full Federal Court in Brew v Repatriation Commission (31 Jun 1993) established that "inability" to obtain treatment can include psychological or emotional barriers to seeking treatment. In military settings, there are often cultural barriers to seeking ongoing care for musculoskeletal conditions, with personnel expected to "push through" pain.
The lack of follow-up spinal imaging or specialist referral after his initial injury represents a gap in appropriate clinical management. The lengthy period between his initial injury in 1998 and the formal diagnosis by MRI in 2023 indicates that there were barriers to obtaining appropriate clinical management for his evolving thoracolumbar spondylosis. This inability to obtain appropriate clinical management would have allowed the degenerative process to progress untreated, resulting in a permanent worsening of his condition.
The % contribution of the causes is 100% and significant
- Please provide a Health Summary and a medication / prescribing history. -see attached report
