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1.  MRI appearance of massive renal replacement lipomatosis in the absence of renal calculus disease 
The British Journal of Radiology  2011;84(998):e041-e044.
Renal replacement lipomatosis is a rare benign entity in which extensive fibrofatty proliferation of the renal sinus is associated with marked renal atrophy. In this report, we present a case of massive renal replacement lipomatosis demonstrated on MRI. The presentation was atypical given an absence of associated renal calculus disease, and an initial CT scan was interpreted as suspicious for a liposarcoma. The differential diagnosis and key MRI findings that served to establish this specific diagnosis are reviewed. Histopathological correlation is also presented, as the patient underwent nephroureterectomy.
doi:10.1259/bjr/42450182
PMCID: PMC3473852  PMID: 21257835
2.  Imaging appearance of bulk fat within an oncocytic adrenocortical neoplasm, a rare and potentially malignant tumour 
The British Journal of Radiology  2010;83(994):e204-e207.
Oncocytic adrenocortical neoplasm is a rare adrenal tumour that usually follows a benign clinical course. In some cases, however, these tumours have exhibited malignant behaviour. Here, we present the first published case showing bulk fat within an oncocytic adrenocortical neoplasm on CT and MRI, a finding that mimics fat within an adrenal myelolipoma. The distinction between these entities is important, as the current suggested management of an oncocytic adrenocortical neoplasm is resection with subsequent imaging surveillance.
doi:10.1259/bjr/50022555
PMCID: PMC3473746  PMID: 20846977
3.  CT and MRI appearance of solitary parapelvic neurofibroma of the kidney 
The British Journal of Radiology  2010;83(990):e108-e110.
We report an extremely rare case of a renal parapelvic neurofibroma. The mass was an incidental finding on an abdominal CT scan of an asymptomatic 59-year-old male with hepatitis C. Subsequent MRI demonstrated a complex mass occupying the left renal sinus that had mass effect on the pelvicalyceal system. The patient underwent left radical nephrectomy, and histological and immunohistochemical findings confirmed the lesion to be a neurofibroma. Given that similar imaging features have been reported previously in four additional cases, we suggest that it may be possible to include this entity in the pre-operative differential diagnosis.
doi:10.1259/bjr/17325482
PMCID: PMC3473587  PMID: 20505022

Results 1-3 (3)