Diagnosis and management of this

Reading File

Finding Sources

Based on the USG report and textbook evidence, here is a comprehensive clinical analysis:

Patient Summary

Mastura Khatun | 30 years | Female | Post-caesarean section

USG Abdomen Impressions:

Mild hepatomegaly with mild fatty changes
Elongated uterus (post-caesarean changes)
Non-specific mesenteric lymphadenopathy
Mild collection in POD (pouch of Douglas)

Findings & Differential Diagnosis

1. Mild Hepatomegaly with Fatty Changes (Liver 155 mm)

Likely diagnosis: Non-Alcoholic Fatty Liver Disease (NAFLD)

Differential diagnoses:

NAFLD / metabolic-associated steatotic liver disease (MASLD)
Post-partum fatty liver changes
Viral hepatitis (B or C)
Alcoholic fatty liver
Hypothyroidism, dyslipidaemia, insulin resistance

Key point: In a 30-year-old post-caesarean woman, the most common cause is metabolic syndrome / NAFLD. The CBD is 4 mm (normal), portal vein is 8 mm (normal) — no signs of portal hypertension, reassuring against cirrhosis.

2. Elongated Uterus (102 × 39 × 26 mm) — Post-Caesarean Changes

This is an expected finding in a woman who has had a caesarean section. Uterus is otherwise normal — no SOL, normal endometrial echo, normal ovaries. No active gynaecological pathology on scan.

3. Non-Specific Mesenteric Lymphadenopathy (largest 10.54 mm, peri-umbilical & RIF)

This is the most clinically significant finding requiring further evaluation.

Differential Diagnoses (in order of priority for this patient):

Condition	Clues to look for
Abdominal Tuberculosis	Most common cause in South Asia; fever, night sweats, weight loss, anorexia, elevated ESR
Post-caesarean reactive lymphadenopathy	Transient, resolves on follow-up
Mesenteric adenitis (viral/bacterial)	Recent URTI, diarrhoea, abdominal pain
Coeliac disease	Bloating, malabsorption, diarrhoea
Crohn's disease	Chronic diarrhoea, abdominal cramps
Lymphoma	Less likely at 30F; B-symptoms, matted nodes
Whipple's disease	Rare; arthritis + malabsorption

Abdominal TB and reactive/post-operative lymphadenopathy are the top two differentials in this clinical context (South Asian, post-CS, young woman). — Grainger & Allison's Diagnostic Radiology

4. Mild Collection in POD (Pouch of Douglas / Rectouterine Pouch)

Post-caesarean free fluid is common and physiological in the early post-operative period. However, the clinical significance depends on timing:

<6 weeks post-CS: Likely physiological or reactive
If symptomatic (fever, pelvic pain, tenderness): Suggests pelvic infection / post-CS endometritis or pelvic abscess

Investigations to Order

Baseline

CBC with differential — look for leukocytosis (infection), anaemia (TB/malabsorption), lymphocytosis
LFT (liver function tests) — ALT, AST, ALP, GGT, bilirubin
Fasting lipid profile + fasting glucose / HbA1c — for NAFLD workup
ESR + CRP — inflammatory markers
Serum albumin — nutritional/hepatic status

For Mesenteric Lymphadenopathy

Mantoux test (TST) / IGRA (QuantiFERON-TB Gold) — for TB
Chest X-ray — rule out pulmonary TB
Sputum AFB / CBNAAT if respiratory symptoms
HIV test
Serum LDH, uric acid — if lymphoma suspected
Anti-tissue transglutaminase IgA (anti-tTG) — for coeliac disease
Stool routine + culture — for infective/parasitic causes
CT abdomen with contrast — if nodes persist/enlarge, better characterisation (central necrosis in TB, etc.)

For POD Collection

Vaginal/pelvic examination — cervical motion tenderness, discharge
High vaginal swab for culture — if pelvic infection suspected
Serial USG in 2–4 weeks — if physiological, should resolve

For Fatty Liver

Hepatitis B surface antigen (HBsAg) + Anti-HCV
Thyroid function tests (TSH)
Ultrasound follow-up at 6 months

Management

NAFLD / Fatty Hepatomegaly

Lifestyle modification: calorie-restricted diet, low saturated fat, regular aerobic exercise (150 min/week)
Treat underlying metabolic risk factors (dyslipidaemia, insulin resistance)
Avoid hepatotoxic drugs
Repeat USG and LFT in 3–6 months

Mesenteric Lymphadenopathy

If TB confirmed or strongly suspected: Start Category I ATT (Rifampicin + Isoniazid + Pyrazinamide + Ethambutol × 2 months, then Rifampicin + Isoniazid × 4 months) per RNTCP/WHO guidelines
If reactive/post-operative: Observe, repeat USG in 4–6 weeks
If nodes enlarge or become matted: Consider CT-guided FNAC or laparoscopic biopsy for histopathology

POD Collection

Small, asymptomatic: Watchful waiting, repeat USG in 2–4 weeks
Symptomatic (fever, pain, tenderness): Broad-spectrum antibiotics (e.g., Augmentin + Metronidazole, or as per culture sensitivity)
Large/organised abscess: USG/CT-guided drainage

Summary Priority Action Plan

Order CBC, LFT, ESR, CRP, fasting glucose, lipid profile — immediately
Mantoux + Chest X-ray — rule out TB (highest priority given mesenteric LN in South Asia)
HBsAg, anti-HCV, TSH — for hepatomegaly workup
Pelvic examination + HVS culture — evaluate POD collection
Repeat USG abdomen in 4–6 weeks — to assess resolution or progression of LN and POD fluid
Refer to gastroenterologist if fatty liver confirmed on LFT or if lymphadenopathy persists

Clinical correlation is essential — the radiologist has appropriately flagged follow-up. Symptoms (fever, weight loss, abdominal pain, post-CS timeline) will guide the priority of the workup.

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