Diagnostic Assessment — Abdomen - Acute Appendicitis
Example 1 of 1 · fictitious patient (Veteran P)
Diagnostic Assessment
Abdomen - Acute Appendicitis
No SOP available for this condition - Acute Appendicitis K35.9
ADF History
The veteran, Date of Birth: [withheld] Warehouse Operator, enlistment date 15/08/2012, discharge date 16/06/2015.
Occupational History
As a Warehouse Operator in the Australian Army, the veteran would have been exposed to various occupational hazards including physical demands of manual handling, storage and distribution of military equipment and supplies, potential exposure to various chemicals and substances in storage, and the general military environment with its associated stressors and living conditions.
History
The veteran a Warehouse Operator with the Australian Army, developed acute appendicitis in September 2013 requiring emergency surgical intervention during his military service. The condition presented with typical acute abdominal pain and was successfully managed with laparoscopic appendectomy.
Timeline
- 19 Aug 2012 - the veteran developed acute onset abdominal pain requiring emergency medical assessment. He presented to Royal the base city Hospital Emergency Department with "abdominal pain" characteristic of possible appendicitis. The clinical presentation warranted immediate medical evaluation and diagnostic workup to determine the underlying pathology. Emergency department staff called for authority to treat this member who presented with significant abdominal symptoms requiring urgent assessment and potential surgical intervention.
- 20 Aug 2012 - Following initial emergency assessment, the veteran was "transferred to DPH this morning" (the base city Private Hospital) for continued evaluation and specialist surgical consultation. Medical teams noted that "there was no clear diagnose as yet" despite ongoing investigations including laboratory studies and imaging studies. The diagnostic uncertainty required continued hospital observation with serial clinical assessments to monitor symptom progression and determine the definitive need for surgical intervention.
- 22 Aug 2012 - Medical review documented that the veteran was "admitted to hospital over the weekend with acute abdominal pain. ?appendicitis" with surgical consultation confirming the clinical suspicion and need for operative intervention. He was "booked for surgery on friday if still having pain" with appropriate pre-operative preparation and informed consent procedures. Initial investigations showed "low inflammatory markers" and CT imaging "did not confirm appendicitis" creating some diagnostic uncertainty that required clinical correlation.
- 26 Aug 2012 - Surgical intervention was performed with "LAPAROSCOPIC APPENDECTOMY - performed" by Mr Patrick the treating doctor, General Surgeon, at the base city Private Hospital. Intraoperative findings revealed "The appendix looked minimally injected" with examination showing normal adjacent structures. The surgical team noted "Three feet of ileum was examined which was normal" and identified "evidence of some minor lymph node enlargement in the small bowel mesentery" consistent with reactive changes. The appendix was successfully removed and sent for histopathological examination.
- 29 Aug 2012 - Post-operative specialist review confirmed successful surgical outcome with pathology results validating the surgical intervention. While the "appendix looked normal ?mesenteric adenitis" macroscopically, the histopathological examination definitively showed "Pathology showed early acute appendicitis" confirming the diagnosis despite the relatively normal gross appearance. This validated the clinical decision for surgical intervention and established the definitive diagnosis of acute appendicitis.
- 07 Sep 2012 - Final post-operative assessment documented complete recovery with clearance for "return to work within restrictions" and graduated return to military duties. The successful surgical outcome allowed for progressive resumption of military activities with appropriate post-operative activity modifications during the healing phase. Long-term prognosis was excellent with no anticipated ongoing complications from the appendicitis episode.
Symptoms
At the time of initial presentation, the veteran experienced acute onset right iliac fossa abdominal pain characteristic of appendicitis, associated with systemic symptoms and the typical clinical presentation of acute appendicular inflammation. Following surgical intervention, he experienced normal post-operative recovery with gradual resolution of symptoms and return to normal functional capacity. Current symptoms are not documented as this condition was successfully treated with complete resolution following surgical intervention.
Imaging
22 Aug 2012 - CT imaging was performed as part of the diagnostic workup, with results showing "did not confirm appendicitis" initially, creating diagnostic uncertainty that required clinical correlation with symptoms and surgical judgment for definitive management.
1. What is the formal diagnosis of the condition claimed above?
Acute Appendicitis (K35.9)
There is no Statement of Principles available for acute appendicitis as this condition is not typically considered service-related under DVA compensation schemes.
Acute appendicitis is an inflammatory condition of the vermiform appendix, typically caused by luminal obstruction leading to bacterial overgrowth, increased intraluminal pressure, compromised blood supply, and subsequent inflammation. The condition presents with characteristic clinical features including right iliac fossa pain, nausea, vomiting, and systemic signs of inflammation. Diagnosis is primarily clinical, supported by laboratory investigations and imaging studies when indicated. Treatment is surgical removal of the appendix (appendectomy), which can be performed via open or laparoscopic approach. Early surgical intervention prevents complications such as perforation, abscess formation, or peritonitis.
This represents a single acute condition with successful surgical management and complete resolution.
2. For each diagnosis identified, please also provide the following dates:
When did the veteran first experience symptoms attributable to this condition? The veteran first experienced symptoms of acute appendicitis on 19 August 2012 when he developed acute abdominal pain requiring emergency medical assessment.
When did the veteran first present to a health / medical provider for this condition? The veteran first presented to Royal the base city Hospital Emergency Department on 19 August 2012 where emergency medical staff provided initial assessment and diagnostic workup for his acute abdominal pain.
When was the condition confirmed / formally diagnosed? The condition was definitively diagnosed on 29 August 2012 when histopathological examination confirmed early acute appendicitis, validating the clinical suspicion and surgical intervention performed by Mr Patrick the treating doctor, General Surgeon.
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 acute appendicitis was confirmed through a combination of clinical presentation, surgical findings, and definitive histopathological examination. Key symptoms included acute onset right iliac fossa abdominal pain requiring emergency medical assessment. Initial investigations included laboratory studies showing low inflammatory markers and CT imaging that did not definitively confirm appendicitis, creating diagnostic uncertainty. The definitive diagnosis was established through surgical intervention by Mr Patrick the treating doctor, General Surgeon, who performed laparoscopic appendectomy on 26 August 2012. Despite the appendix appearing minimally affected macroscopically during surgery, histopathological examination definitively confirmed early acute appendicitis, validating the clinical decision for surgical intervention and establishing the formal diagnosis.
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.
Acute appendicitis is a common surgical condition that typically occurs due to luminal obstruction of the vermiform appendix, leading to bacterial overgrowth and inflammation. The condition is not causally related to military service activities or occupational exposures. Common causative factors include fecoliths, lymphoid hyperplasia, foreign bodies, or anatomical variations that predispose to appendicular obstruction. In the veteran' case, the condition appears to represent spontaneous acute appendicitis without clear precipitating factors related to his military service.
There are no established service-related risk factors for acute appendicitis, and the condition is considered to occur randomly in the general population. The timing during military service appears coincidental rather than causally related to occupational activities or military service exposures.
Sequelae
This condition does not represent a sequelae of another known service-related condition. Acute appendicitis is an independent pathological process not causally related to other documented military service injuries or conditions.
Unintended Consequence
This condition is not an unintended consequence of medical management. The acute appendicitis occurred spontaneously and was not related to any prior medical treatments, procedures, or medications administered during military service.
Inability to Attain Appropriate Medical Management
This factor is NOT MET. The veteran received timely and appropriate medical management for his acute appendicitis. He presented to emergency medical services promptly upon symptom onset, received appropriate diagnostic workup including laboratory investigations and CT imaging, and underwent definitive surgical treatment by a qualified general surgeon within an appropriate timeframe. The laparoscopic appendectomy was performed successfully with complete resolution of the condition. Post-operative care was appropriate with graduated return to duties. There were no barriers to accessing appropriate medical care, and the standard of care provided met contemporary medical standards for acute appendicitis management.
The Full Federal Court in Brew v Repatriation Commission (12 July 1996) establishes that inability requires lack of ability to obtain treatment in both objective and subjective senses. In this case, appropriate treatment was readily available, promptly provided, and successfully delivered without any barriers to access.
The % contribution of the causes is 100% and significant.
5. Please provide a Health Summary and a medication / prescribing history.
- see attached report








