How Image-Guided Drainage and Targeted Antibiotic Therapy Resolved a Complex Amoebic Liver Abscess
Patient Profile
| Field | Details |
| Age | 34 years |
| Gender | Male |
| Occupation | Construction supervisor |
| City | Pune |
| Presenting Complaint | High grade fever with chills lasting ten days, severe right upper abdominal pain radiating to the right shoulder, and significant loss of appetite |
| Diagnosis | Large amoebic liver abscess in the right lobe, confirmed on imaging and serology |
| Duration of Issue | Symptoms present for approximately ten days before hospital presentation |
| Previous Treatments | Paracetamol and oral antibiotics prescribed at a local clinic, with no improvement |
| Date of Procedure | June 2026 |
| Outcome | Excellent, complete abscess resolution confirmed on imaging at eight weeks |
The Problem
Condition
Amoebic liver abscess is the most common extra-intestinal complication of Entamoeba histolytica infection, a parasitic organism transmitted through contaminated food and water. The infection reaches the liver through the portal circulation, where it causes focal tissue destruction and the formation of a pus filled cavity. This patient presented with a large solitary abscess measuring over eight centimetres in the right lobe of the liver, confirmed on contrast enhanced CT imaging and supported by strongly positive amoebic serology. Despite ten days of symptoms and a prior course of broad spectrum antibiotics from a local clinic, the abscess had not responded and was showing early signs of pressure on adjacent structures. Because of the abscess size, its location close to the liver capsule, and the risk of spontaneous rupture, this case required prompt assessment for hepatitis and liver infection management alongside urgent drainage planning rather than continued medical therapy alone.
Emotional & Psychological Impact
For a working man in his mid-thirties with no prior history of significant illness, the diagnosis of a liver abscess was entirely unexpected and deeply unsettling. He had assumed his persistent fever was a viral infection that would resolve on its own, and the previous antibiotic course at a local clinic had given him false reassurance that the problem was being addressed. By the time he arrived for specialist review, he had missed ten days of work, was losing weight visibly, and was experiencing enough pain that even lying still was uncomfortable. His family was anxious about the possibility of surgery, and he was particularly worried that something had gone wrong with his liver permanently. The concern about whether the abscess could have spread or caused lasting damage to surrounding organs, a risk he had read about in relation to liver cirrhosis and advanced liver disease, added to his distress in the days before a clear treatment plan was established.
Consultation & Treatment Plan
What Was Assessed During the Consultation?
- Contrast enhanced CT abdomen to confirm abscess size, location, number of cavities, proximity to the liver capsule, and the presence of any early rupture into adjacent spaces
- Amoebic serology including indirect haemagglutination test to confirm the parasitic cause and distinguish the abscess from a pyogenic or hydatid origin
- Full blood count, liver function tests, coagulation profile, and renal function to assess the patient’s overall condition and fitness for percutaneous drainage
- Assessment of drainage feasibility based on abscess accessibility, fluid consistency on imaging, and proximity to major vascular structures
Review of prior antibiotic exposure and symptom trajectory to determine whether the abscess was responding to medical therapy at all before planning intervention
Why This Combined Drainage and Antibiotic Approach Was Chosen
Dr. Kothari recommended image guided percutaneous drainage combined with targeted antibiotic therapy rather than continuing with medical management alone or proceeding to open surgical drainage. The reasoning behind this approach included the following points.
- The abscess diameter exceeded eight centimetres, which is the threshold above which the risk of spontaneous rupture is substantially higher and the likelihood of adequate response to antibiotics alone is significantly reduced
- Percutaneous ultrasound guided drainage allows precise, real time placement of the drainage needle or catheter into the abscess cavity without the recovery burden of open surgery, making it the preferred intervention for accessible liver abscesses of this size
- Metronidazole, the first line antibiotic for amoebic liver abscess, was started intravenously at the time of admission and continued orally after clinical stabilisation to eliminate the underlying parasitic infection systemically
- A luminal agent, diloxanide furoate, was planned to follow the metronidazole course to eradicate any residual intestinal colonisation and reduce the risk of recurrence from an untreated gut reservoir
Baseline Assessment & Documentation
Baseline CT imaging, serology results, blood work, and clinical parameters were documented in full before drainage was performed. The pre-drainage CT images were retained as the reference against which post-treatment imaging at four and eight weeks would be compared to confirm abscess resolution.
Management Protocol:- Step by Step
- Intravenous metronidazole commenced immediately on admission alongside fluid replacement and analgesic support
- Contrast enhanced CT reviewed in detail to plan the safest percutaneous access route to the abscess cavity
- Ultrasound guided percutaneous needle aspiration performed, yielding a large volume of characteristic thick brownish fluid consistent with amoebic abscess content
- Aspirate sent for culture and sensitivity to exclude a co-existing pyogenic component and confirm no bacterial superinfection
- Catheter left in place for continuous drainage over the following forty eight hours given the large volume and semi-solid consistency of the abscess contents
- Patient transitioned from intravenous to oral metronidazole once fever settled and drainage volumes reduced to minimal levels
- Diloxanide furoate prescribed for a ten day course following completion of metronidazole to clear the intestinal reservoir
Management Facts
| Field | Details |
| Setting | Inpatient, ward based care |
| Drainage Technique | Ultrasound guided percutaneous needle aspiration with catheter placement |
| Antibiotic Regimen | Intravenous then oral metronidazole, followed by diloxanide furoate |
| Aspirate Characteristics | Large volume, thick brownish fluid, culture negative, serology positive |
| Complications | None |
| Hospital Stay | Seven days |
Post-Management Results
Fever resolved within forty eight hours of commencing drainage and intravenous metronidazole, and pain reduced substantially within the first three days. The catheter was removed on day four once drainage output became minimal, and the patient was discharged on day seven on oral antibiotics in a clinically stable condition. Repeat ultrasound at four weeks showed a significantly reduced residual cavity, and a follow up FibroScan at eight weeks confirmed complete resolution of the abscess with no residual liver stiffness or structural change to the surrounding parenchyma.
Outcomes at a Glance
| Outcome Metric | Result |
| Fever Resolution | Achieved within forty eight hours of drainage and antibiotics |
| Pain Control | Substantially improved within three days |
| Abscess at Four Weeks | Significantly reduced on repeat ultrasound |
| Complete Resolution | Confirmed on imaging at eight weeks |
| Patient Satisfaction | Very high, returned to full work capacity within four weeks |
Ongoing Care & Maintenance
Instructions Given to Patient
- Complete the full course of oral metronidazole and diloxanide furoate without interruption, even after symptoms have fully resolved
- Maintain strict hand hygiene and avoid food or water from sources with uncertain sanitation standards to prevent reinfection
- Report any recurrence of fever, right sided abdominal pain, or loss of appetite promptly rather than waiting, since a recurrent or incompletely treated abscess can enlarge rapidly
- Attend the scheduled imaging review at four weeks and the follow up appointment at eight weeks to confirm complete resolution
- Undergo a repeat liver assessment if any new symptoms develop in the months following discharge
Recovery & Follow Up Timeline
| Timeframe | What Patient Could Expect |
| Day 1 to 2 | Fever and pain improving, drainage in progress, intravenous antibiotics running |
| Day 3 to 4 | Catheter removed, transition to oral antibiotics, mobilising comfortably |
| Day 5 to 7 | Clinical stability confirmed, discharged on oral medications |
| Week 4 | Repeat ultrasound to confirm reduction in abscess cavity |
| Week 8 | Final imaging review confirming complete resolution and liver parenchyma intact |
Patient Feedback
“I had been unwell for nearly two weeks and the tablets from the local clinic were not helping at all. When the abscess was found on the scan I was frightened, especially about what would happen to my liver. The drainage procedure was much less difficult than I had expected and the fever broke within two days. By the time I was discharged I felt like a completely different person. I was back at the construction site within a month.”
Profile: Male, 34 years, Construction supervisor, Pune
Procedure: Ultrasound guided percutaneous drainage and antibiotic therapy for amoebic liver abscess, Pune, June 2026
Surgeon: Dr. Ksheetij Kothari, Consultant Gastroenterologist
Disclaimer: The information shared in this content is for educational purposes only and not for promotional use.