Pathologic and MRI analysis in acute atypical inflammatory demyelinating lesions.

Background: The diagnosis of atypical inflammatory demyelinating lesions can be difficult. Brain biopsy is often required to exclude neoplasms. Moreover, the relationship between these lesions and multiple sclerosis and NMOSD is not clear.

Safety Considerations and Local Tumor Control Following Percutaneous Image-Guided Cryoablation of T1b Renal Tumors.

Objective: To retrospectively assess the safety and oncological efficacy of percutaneous image-guided cryoablation (CA) of T1b (> 4 cm/< 7 cm) renal tumors.

Materials And Methods: Institutional electronic records were retrospectively reviewed to identify the patients who had undergone percutaneous CA of T1b renal tumors between 2008 and 2016. CA was proposed by a multidisciplinary tumor board for cases with poor renal function or a single kidney; unsuitable for surgical resection; or genetic syndromes predisposing to multiple hereditary renal tumors.