70 Year Old Male Patient with History of Intermittent Hematuria of 5 Month Duration
Journal Title: Biomedical Journal of Scientific & Technical Research (BJSTR) - Year 2017, Vol 1, Issue 3
Abstract
Papillary carcinoma (PC) is the second most common type of renal cell carcinoma (RCC). PC has specific imaging and clinical features that may help in differentiation from clear cell RCC. At contrast material–enhanced CT and MRI, PC enhances less than other RCC in all phases of contrast-enhanced imaging.The classification of renal cell carcinoma into subtypes is important as it has association with outcome of disease. Results have shown that renal cell carcinoma is not a single disease but, rather, a group of several disease entities [1]. According to the First International Workshop on Renal Cell Carcinoma held by the World Health Organization, renal cell carcinoma can be classified into conventional (i.e., clear cell) renal carcinoma, papillary renal carcinoma, chromophobe renal carcinoma, collecting duct renal carcinoma, and unclassified renal carcinoma [1]. Current findings reported in the literature suggest that the tumor is often hypo vascular on computed tomography (CT) and MRI [1,2], and is hypo intense on T2 weighted imaging [2]. Papillary renal cell carcinoma (RCC) is the second most common form of RCC, after clear cell RCC, accounting for 10-15% of cases [3]. In comparison with clear cell RCCs, papillary RCCs in general have less aggressive features, including being both smaller in size and lower in stage at presentation [3]. Morphology: The T2 weighted tumor signal was homogeneous in 57% of cases, slightly heterogeneous in 9% and heterogeneous in 34%. Eighty-nine percent of tumors were hypo intense compared to the normal renal parenchyma on T2 weighted images, 9% were hyper intense and 2% were intense. For masses imaged with MRI, the presence or absence of hemosider in was determined, defined as the subjective identification of loss of signal intensity on longer-TE in-phase images relative to opposed-phase T1-weighted dual-echo gradient-recalled echo images. Relative signal intensity in comparison with the normal renal parenchyma (i.e., hypo intense, is intense, hyper intense) was also recorded on unenhanced T1- weighted, unenhanced T2-weighted, and contrast-enhanced T1-weighted images. In addition, the presence or absence of enhancement was determined subjectively on subtraction images [3].
Authors and Affiliations
Sushila B Ladumor
Keywords
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- EP ID EP570654
- DOI 10.26717/BJSTR.2017.01.000281
- Views 205
- Downloads 0
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