What the Veterinary SOAP Note Generator actually produces

SOAP NOTE PATIENT: [Unnamed] | SPECIES: Canine | BREED: Golden Retriever | AGE: 6 years | SEX: Male Neutered | WEIGHT: 32 kg | DATE: [Current Date] S – SUBJECTIVE Owner reports patient began limping on right front (thoracic) limb 3 days ago with progressive worsening. Noted firm swelling near the right shoulder region. No history of trauma reported. Patient otherwise at baseline until onset of lameness. O – OBJECTIVE Vitals & Physical Exam: T: 102.4°F (elevated; normal canine ~101–102.5°F) HR: 88 bpm (normal) RR: 24 rpm (normal) BCS: 5/9 (ideal) Lameness: Grade 3/5 right thoracic limb (moderate) Right Shoulder: Firm, non-painful swelling ~4 cm proximal humerus Muscle Atrophy: Mild atrophy right shoulder musculature noted Lymphadenopathy: None detected Remaining PE: Unremarkable; normal mucous membranes, normal CRT, appropriate mentation Diagnostic Imaging & Laboratory: 1. Right Shoulder Radiographs (3 views): • Aggressive periosteal reaction proximal right humerus • Cortical lysis evident • "Sunburst" pattern noted (classic for osteosarcoma) • Concern for primary bone tumor 2. Thoracic Radiographs (PA/lateral/sternal recumbent views): • No pulmonary metastases identified at this time 3. CBC: • Mild non-regenerative anemia (HCT 32%; normal ~37–55%) • WBC, platelets, RBC morphology: [not specified – assume WNL if not provided] 4. Chemistry Panel: Within normal limits A – ASSESSMENT Differential Diagnosis (Ranked by Likelihood): 1. **Osteosarcoma (Hemangiosarcoma differential)** – MOST LIKELY Rationale: Age (6-year-old) within typical OSA range; location (proximal humerus) is common site; aggressive periosteal reaction + cortical lysis + "sunburst" pattern are highly suggestive of malignancy; mild fever and elevated HR support systemic disease; mild anemia consistent with chronic inflammation/malignancy. 2. **Other Primary Bone Neoplasia (e.g., Chondrosarcoma)** Rationale: Less common than OSA but possible; radiographic pattern consistent with malignant bone lesion; would require advanced imaging (CT, advanced molecular analysis) to differentiate from OSA. 3. **Severe Osteomyelitis (bacterial or fungal)** Rationale: Fever present; swelling non-painful (less consistent with acute infection); radiographic changes can mimic malignancy; would expect higher fever, more localized pain/heat. 4. **Hypertrophic Osteodystrophy (HOD)** Rationale: Typically affects younger dogs (<1 year); fever, swelling, lameness consistent; periosteal reaction is hallmark. Age (6 years) makes this less likely. WORKING DIAGNOSIS: Suspected osteosarcoma (malignant primary bone neoplasm) proximal right humerus with no radiographic evidence of pulmonary metastasis at present. P – PLAN Diagnostic Recommendations: 1. **Advanced Imaging**: CT chest and right shoulder ± CT with bone window to assess local tumor extent, soft tissue involvement, and occult pulmonary metastases 2. **Tissue Biopsy**: Fine-needle aspirate (FNA) or bone biopsy to confirm diagnosis and grade (if osteosarcoma confirmed, grade typically high) 3. **Staging**: Abdominal ultrasound to assess for metastatic disease (liver, spleen, regional lymph nodes) 4. **Pre-operative Baseline**: If malignancy confirmed, baseline bloodwork, cardiac assessment per anesthesia pre-op protocol Treatment Plan: 1. **Pain Management** (per veterinarian order): • Provide analgesia per veterinarian assessment; NSAIDs contraindicated until infection/neoplasia ruled out [verify order] • Restrict activity: strict rest, avoid jumping, limit exercise until imaging complete 2. **Referral Recommendation**: Refer to board-certified veterinary surgical oncologist for assessment of surgical candidacy and chemotherapy protocols. Standard-of-care treatment for appendicular OSA is distal forelimb amputation + adjuvant chemotherapy (typically carboplatin ± doxorubicin). Prognosis without amputation is guarded to poor; with amputation + chemotherapy, median survival ~12–14 months [per oncology literature — verify current protocols]. 3. **Monitoring**: • Recheck radiographs in [per order / facility protocol] to assess for progression • Continued analgesia and activity restriction • Monitor for acute lameness worsening or systemic signs requiring emergency evaluation 4. **Owner Communication**: Discuss suspected malignancy, need for advanced imaging and biopsy, expected timeline, and treatment options (amputation, chemotherapy, palliative care). Allow time for questions and provide resources on canine osteosarcoma. Prognosis and treatment decisions will be guided by biopsy results and imaging staging. Follow-up: [per order / facility protocol]; expedited referral recommended given concern for malignancy.

RANKED DIFFERENTIAL DIAGNOSIS 1. **Osteosarcoma** – MOST LIKELY (70–80% confidence) • Age: 6 years (peak incidence 5–8 years) • Location: Proximal humerus (common metaphyseal site) • Radiographic Findings: Aggressive periosteal reaction, cortical lysis, "sunburst" pattern are pathognomonic for osteosarcoma • Clinical Signs: Progressive lameness, firm non-painful swelling, mild systemic signs (fever, mild anemia) support malignancy • Prognosis: Without treatment, rapid progression; amputation ± chemotherapy offers best outcome (~12–14 mo median survival) 2. **Chondrosarcoma** – (10–15% confidence) • Rationale: Less aggressive than OSA; affects older dogs more often; radiographic presentation can overlap • Would require biopsy to differentiate 3. **Osteomyelitis (Bacterial/Fungal)** – (5–10% confidence) • Fever present; radiographic changes can mimic malignancy • Non-painful swelling less consistent with acute infection • Would expect higher fever, regional lymphadenopathy, possible drainage 4. **Hypertrophic Osteodystrophy (HOD)** – (<5% confidence) • Age makes this unlikely (typically young dogs <12 months) • Fever and periosteal reaction present, but location and severity less typical

DETAILED TREATMENT AND MANAGEMENT PLAN DIAGNOSTIC PHASE: 1. CT imaging of right shoulder (with bone window) and thorax to: • Define local tumor extent and soft tissue involvement • Assess for occult pulmonary metastases • Guide surgical planning if amputation considered. 2. Tissue diagnosis (bone biopsy or FNA) to confirm osteosarcoma grade and grade. 3. Abdominal ultrasound to screen for metastatic disease (spleen, liver, lymph nodes). 4. Pre-operative assessment (baseline CBC, chemistry, cardiac exam per anesthesia protocol) if amputation planned. PAIN MANAGEMENT: • [Medication and doses per prescribing veterinarian order] • Strict crate rest and activity restriction to minimize weight-bearing on affected limb • Cold pack application may provide comfort (ice 10 min TID for first 2–3 days if tolerated) • Avoid NSAIDs pending completion of infection/malignancy workup [verify veterinarian order] ACTIVITY RESTRICTION: • Confine to crate or small area; avoid stairs, jumping, or off-leash activity • Leash walks only for elimination (5 min maximum until imaging complete) • Maintain normal feeding and water access in crate area MONITORING: • Monitor for acute changes in lameness, fever, or reluctance to bear weight • Watch for signs of systemic disease (inappetence, lethargy, vomiting) • Any acute worsening warrants emergency evaluation FOLLOW-UP SCHEDULE: • Imaging results and biopsy: [per radiology/pathology turnaround time] • Oncology consultation: [within 1–2 weeks of diagnosis confirmation, if biopsy positive] • Recheck radiographs: [per veterinarian order to assess for progression] • Owner communication: [Before any major treatment decisions; allow time for questions and second opinions] PROGNOSIS & TREATMENT OPTIONS (Pending Biopsy Confirmation): • If osteosarcoma confirmed: Distal forelimb amputation combined with adjuvant chemotherapy is standard-of-care protocol [verify current protocols with referral surgeon] • Palliative care alone: analgesia + activity restriction; prognosis guarded (weeks to months) • Owner to discuss options with oncologist before proceeding MEDICATION SUMMARY: [Pending veterinarian orders; typically include analgesia and supportive care pending diagnosis]