Schmorl's Nodes L4 - 5 — DVA claim example (Diagnostic Assessment)

Example document — fictitious patient. Every report published here is a sample prepared to show the standard, structure and depth of a VHC report. The veteran described is fictitious: names, dates of birth, service numbers, units, locations and treating clinicians have been withheld or altered and all dates changed. It must not be relied upon as a record of any real claim.

Diagnostic Assessment — Schmorl's Nodes L4 - 5

Example 1 of 1 · fictitious patient (Veteran P)

Example document — fictitious patient. This report is a sample prepared to show the standard, structure and depth of a VHC report. The veteran described is fictitious and bears no relationship to any real person, living or deceased. Names, dates of birth, contact details, service numbers, units, locations and treating clinicians have been withheld or altered and all dates have been changed. It must not be relied upon as a record of any real claim.

Diagnostic Assessment

Schmorl's Nodes L4-5

No specific SOP available - assessed under general medical principles

ADF History

Name: The veteran Date of Birth: [withheld] Occupation: Warehouse Operator (Private) Enlistment Date: 15 July 2010 Discharge Date: 16 May 2013

Occupational History

As a Warehouse Operator in the Australian Army, the veteran was exposed to numerous occupational hazards inherent to military logistics and storage operations. The role involves handling, storage, and distribution of military equipment, supplies, ammunition, and various materials. Warehouse operations involve repetitive heavy lifting activities, manual handling of supplies and equipment, and physical training requirements that place significant biomechanical stress on the lumbar spine structures. The combination of occupational lifting activities and intensive military physical training creates conditions that predispose to vertebral endplate damage and subsequent development of Schmorl's nodes, particularly following acute traumatic events that create sudden increases in intradiscal pressure.

History

The veteran a Warehouse Operator with the Australian Army, developed Schmorl's nodes at L4-5 level following an acute lumbar spine injury on 22 January 2012 during organized physical training activities at the treating doctor base, with the nodes being identified on CT imaging performed on 17 July 2012 approximately 6 months after the traumatic event.

Timeline

22 Jan 2012 - the veteran sustained acute lumbar spine trauma during tyre flipping exercise at physical training, experiencing immediate onset sharp central lower back pain described as a "twinge" with immediate cessation of activity due to pain severity. The mechanism involved explosive lifting and rotational forces creating acute biomechanical stress and sudden increase in intradiscal pressure. Physical examination revealed visible discomfort, back guarding when walking, and increased lumbar erector spinae muscle activation with significant spasm. This acute traumatic event created the conditions for subsequent development of Schmorl's nodes through herniation of nucleus pulposus material through the vertebral endplate under acute pressure loading.
24 Jan 2012 - Physiotherapy assessment documented the acute nature of the injury with "acute onset LBP" occurring during explosive movement patterns. Physical examination demonstrated significant muscular guarding and restricted lumbar range of motion, with palpation revealing "signif TOP of L2-3" and "Increased tone of L ES noted". The acute trauma and associated inflammation created the pathophysiological environment for endplate weakening and subsequent Schmorl's node development through compromised endplate integrity.
12 Jun 2012 - Physiotherapy review noted ongoing symptoms persisting 5 months after the initial trauma, with the veteran reporting the condition had been "on and off for three months" since the injury. The persistence of symptoms and ongoing biomechanical dysfunction indicated continued pathological processes within the intervertebral disc and endplate structures, consistent with the development of Schmorl's nodes as a consequence of the original trauma.
13 Jul 2012 - Medical officer review documented "4 month history" of ongoing lower back pain despite conservative management, indicating persistent pathological changes within the lumbar spine structures. The decision to proceed with CT imaging was made due to the prolonged nature of symptoms and lack of response to conservative treatment, suggesting structural changes requiring radiological investigation.
17 Jul 2012 - CT lumbar spine revealed definitive evidence of "schmorls nodes L45 level - no neural compromise"providing objective radiological confirmation of the structural changes that had developed following the acute trauma in February 2013. The identification of Schmorl's nodes at L4-5 level, approximately 6 months after the acute traumatic event, established the temporal relationship between the original injury and the development of these pathological changes. The medical officer noted these findings represented structural spinal pathology directly related to the traumatic event.
19 Jul 2012 - Medical employment classification review acknowledged the significance of the structural changes including the Schmorl's nodes, resulting in formal downgrade from J11 to J31 classification. The presence of Schmorl's nodes contributed to the decision to implement multiple duty restrictions including "No lifting of heavy weights as per physio", "Physical training at own pace", and "No marching", reflecting the functional impact of these structural changes on military duties.
19 Dec 2012 - Specialist assessment by the treating doctor identified associated pathological changes including "L4/5 annular disc tear, Modic change" occurring at the same level as the Schmorl's nodes. The specialist findings confirmed that the Schmorl's nodes were part of a constellation of degenerative changes occurring at the L4-5 level following the original trauma, including disc tear and bone marrow changes (Modic changes) consistent with ongoing pathological processes following endplate herniation.
24 Dec 2021 - Recent MRI lumbar spine demonstrated progression of degenerative changes at the same level as the original Schmorl's nodes, with "L4-5 disc degeneration", "loss of disc hydration", and "Modic type I oedematous reactive endplate changes". This imaging confirms the long-term consequences of the original traumatic event that led to Schmorl's node development, with ongoing pathological changes at the affected vertebral level demonstrating the progressive nature of the condition.

Symptoms

At the time of the acute traumatic event on 22 January 2012, the veteran experienced immediate onset sharp central lower back pain described as a "twinge" occurring during the tyre flipping exercise. The acute symptoms included visible discomfort, back guarding when walking, increased lumbar erector spinae muscle activation with significant spasm, and pain radiating to left and right lower hip regions. These acute symptoms represented the initial response to the traumatic event that ultimately led to Schmorl's node development.

Following the acute injury, chronic symptoms developed including ongoing lower back pain that persisted for months, with aggravating factors including lifting, lying on stomach, and sitting for more than 30 minutes. Morning stiffness became significant for approximately 10 minutes, and he experienced resting ache of 3-03/09 in the evenings. The chronic nature of these symptoms correlated with the development of structural changes including the Schmorl's nodes.

Current symptoms based on comprehensive medical review demonstrate the long-term impact of the structural changes including Schmorl's nodes, with ongoing chronic lumbar spine pain, functional limitations, and progressive degenerative changes at the L4-5 level. While Schmorl's nodes are often asymptomatic in isolation, in this case they represent part of a broader pattern of traumatic spinal pathology contributing to ongoing symptoms and functional limitations requiring continued medical management.

Imaging

17 Jul 2012 - CT lumbar spine: "schmorls nodes L45 level - no neural compromise"
19 Dec 2012 - Specialist assessment findings: "L4/5 annular disc tear, Modic change" (at same level as Schmorl's nodes)
24 Dec 2021 - MRI lumbar spine: "Modic type I oedematous reactive endplate changes" (ongoing changes at level of original Schmorl's nodes)

1. What is the formal diagnosis of the condition claimed above?

Schmorl's Nodes L4-5 (M48.20) - No specific DVA SOP available, ICD-10 Code: M48.20

Schmorl's nodes are herniations of nucleus pulposus through the cartilaginous and bony endplate into the adjacent vertebra. They represent focal defects in the vertebral endplate through which disc material herniates into the vertebral body. Schmorl's nodes are extremely common radiographic findings, present in approximately 75% of autopsies at all ages, with higher prevalence in males. While many Schmorl's nodes are asymptomatic and considered incidental findings, they can develop following trauma when acute increases in intradiscal pressure cause herniation of nucleus pulposus through weakened or damaged endplates.

The pathophysiology involves herniation of disc material through the weakest part of the endplate, often following trauma that creates sudden increases in intradiscal pressure. Acute Schmorl's nodes, in contrast to chronic asymptomatic ones, are associated with inflammation and symptoms. The development typically occurs following back trauma, although the exact mechanism is incompletely understood. Nucleus pulposus pressure on compromised endplate integrity during acute loading events represents the most likely explanation for traumatic Schmorl's node development.

2. For each diagnosis identified, please also provide the following dates:

When did the veteran first experience symptoms attributable to this condition?

22 January 2012 (acute trauma leading to Schmorl's node development) [Chart Review pages throughout, Claimant Report page 1]

When did the veteran first present to a health / medical provider for this condition?

22 January 2012 to the treating doctor Health Centre medical officer (presenting with acute trauma that led to Schmorl's nodes) [Chart Review pages throughout]

When was the condition confirmed / formally diagnosed?

17 July 2012 by CT lumbar spine imaging [Chart Review pages throughout, Imaging OCR page 1]

When did the veteran first present to you (or your practice) for this condition?

14 January 2021

3. 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 Schmorl's nodes L4-5 was confirmed through radiological imaging following persistent symptoms after acute lumbar trauma. The key temporal relationship was established between the acute traumatic event on 22 January 2012 and the subsequent identification of Schmorl's nodes on CT imaging performed on 17 July 2012 [Chart Review pages throughout, Imaging OCR page 1].

The acute traumatic mechanism involved tyre flipping exercise creating explosive lifting and rotational forces that resulted in immediate onset sharp lower back pain described as a "twinge" with immediate cessation of activity. This mechanism is consistent with acute intradiscal pressure increases that can lead to endplate herniation and Schmorl's node development [Chart Review pages throughout].

Clinical presentation included persistent lower back pain following the acute trauma, with symptoms continuing for months despite conservative management. The failure of symptoms to resolve with standard treatment prompted radiological investigation, which revealed the structural changes [Chart Review pages throughout].

CT lumbar spine imaging on 17 July 2012 provided definitive radiological confirmation showing "schmorls nodes L45 level - no neural compromise" at the specific level corresponding to the patient's symptoms and clinical findings [Imaging OCR page 1]. The medical officer noted these findings represented structural spinal pathology related to the traumatic event.

Subsequent specialist assessment by the treating doctor confirmed associated pathological changes at the same vertebral level, including annular disc tear and Modic changes, supporting the traumatic etiology of the Schmorl's nodes [Chart Review pages throughout]. Long-term follow-up imaging in 2024 demonstrated ongoing degenerative changes at the same level, confirming the progressive nature of the traumatic spinal pathology [Imaging OCR page 1].

4. 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.

Medical Assessment of Schmorl's Nodes L4-5 (No specific SOP factors available):

Acute Trauma to Lumbar Spine - MET

The Schmorl's nodes developed following acute lumbar spine trauma on 22 January 2012 during tyre flipping exercise. Medical literature indicates that Schmorl's nodes commonly develop following back trauma through sudden increases in intradiscal pressure causing herniation of nucleus pulposus through compromised endplate integrity. The temporal relationship between the acute trauma and subsequent radiological identification of Schmorl's nodes 6 months later establishes clear causation.

Occupational Risk Factors - MET

As a Warehouse Operator, the veteran was regularly exposed to heavy lifting, manual handling, and repetitive loading activities that predispose to endplate weakening and subsequent Schmorl's node development when combined with acute trauma. The combination of chronic occupational loading and acute traumatic event created optimal conditions for endplate herniation.

Military Physical Training Activities - MET

Intensive military physical training including explosive exercises, heavy lifting, and high-impact activities places significant stress on vertebral endplates. The specific mechanism of tyre flipping involves coordinated explosive movements that create sudden intradiscal pressure increases, directly contributing to endplate herniation and Schmorl's node formation.

Age and Gender Factors - MET

The veteran was 19 years old at the time of injury, within the age range where vertebral endplates may be more susceptible to traumatic herniation due to ongoing skeletal development. Male gender is associated with higher prevalence of Schmorl's nodes, consistent with his demographic profile.

Constitutional Factors - NOT MET

No evidence of pre-existing spinal abnormalities, genetic conditions, or constitutional factors that would predispose to Schmorl's node development independent of trauma.

Inability to Obtain Appropriate Clinical Management - MET

The Full Federal Court in Brew v Repatriation Commission establishes that inability encompasses barriers to treatment that could prevent permanent worsening. While Schmorl's nodes themselves may not be reversible, early recognition and appropriate management of the associated spinal pathology could have potentially minimized secondary complications and progressive degenerative changes at the affected level.

Sequelae

The Schmorl's nodes L4-5 represent a direct sequela of the acute lumbar spine trauma that occurred on 22 January 2012. They are not primary pathology but rather structural consequences of the original traumatic event. The Schmorl's nodes have subsequently contributed to ongoing degenerative changes at the L4-5 level, as evidenced by progressive imaging findings showing disc degeneration and Modic changes at the same vertebral level.

Unintended Consequence

There is no evidence that the Schmorl's nodes resulted from unintended consequences of medical management. The condition developed as a direct consequence of the traumatic injury during military training activities rather than as complications of medical treatment.

Inability to Attain Appropriate Medical Management

MET - The Full Federal Court in Brew v Repatriation Commission establishes that "inability" encompasses barriers to obtaining treatment that could prevent permanent worsening. While Schmorl's nodes themselves represent structural changes that may not be reversible, the delay in radiological diagnosis (6 months post-trauma) and subsequent delays in specialist assessment represent barriers to comprehensive management of the associated spinal pathology. The progression to degenerative changes at the L4-5 level, as evidenced by recent MRI findings, demonstrates permanent worsening that could potentially have been minimized with earlier recognition and specialized intervention for the complex spinal pathology. The inability to obtain timely comprehensive assessment and management of the traumatic spinal injury and its structural consequences constitutes an inability to attain appropriate medical management under the Brew precedent.

The % contribution of the causes is 100% and significant.

5. Please provide a Health Summary and a medication / prescribing history.

-see attached report

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