A case report and literature review on solitary necrotic nodule of the liver

Objective: To investigate the clinicopathological, imaging features and differential diagnosis of solitary necrotic nodule (SNN) of the liver. Methods: Clinical data were collected and combined radiological findings. One case of SNN of the liver was studied by light microscopy and special staining technique with system relevant literature review. Results: Combine US, CT, and MRI, displayed low echo, low dense, and without significant enhancement. Enhanced MRI lesions showed ring enhancement. The liver SNN had a completely necrotic core with fibrous capsule, no parasite or atypical cell was identified. The surrounding parenchyma was normal. Conclusion: Liver SNN has special radiological and pathological features. Clinical treatment is local excision with good progression and without recurrence.