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To obtain a better understanding of the mechanisms underlying early changes in the brain water apparent diffusion coefficient (ADC) observed in cerebral ischemia, dynamic changes in the ADC of water and in the energy status were measured at postnatal day 8 or 9 in neonatal rat brains after cardiac arrest using 1H MRS/MRI and 31P MRS, respectively. The time(More)
Chromophobe renal cell carcinomas and renal oncocytomas share morphologic similarities and may present a diagnostic challenge on routine hematoxylin-eosin staining. Currently recommended additional studies of Hale's colloidal iron staining and electron microscopy are often difficult to interpret and technically challenging and may not be readily available.(More)
Pleomorphic lobular carcinoma is a recently described entity separated from classical lobular carcinoma by cytologic pleomorphism. It can have an aggressive clinical course with a higher frequency of recurrence. Histologic differentiation with ductal carcinoma may be difficult, but it is important for this differentiation to be made. E-cadherin is a(More)
Numerous methods exist for HER-2/neu assessment; however, technical and interpretive standardization is virtually absent. We evaluated 2 commercially available antibodies on routinely fixed paraffin-embedded tissue sections to establish our own guidelines. Thirty-three cases of infiltrating breast carcinoma were evaluated simultaneously with monoclonal and(More)
This article describes the use of non-invasive magnetic resonance (MR) methods for the characterization and monitoring of the pathophysiology of experimental brain injury in laboratory animals as a function of time and treatment. The impact of MR in brain research is primarily due to its non-invasive nature, thereby enabling repeated measurements in(More)
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