Tomohiko Narita

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Cases of malignant melanoma on thermal burn scars have occasionally been reported. We report a 78-year-old Japanese female with malignant melanoma on a thermal burn scar with an interval of more than 70 years. Our case reemphasizes the importance of regular examinations in persons with thermal burn scars.
Blue nevi are dermal dendritic melanocytic proliferations presenting as papules, nodules or plaques of blue, blue-gray or blue-brown color. Dermoscopic appearance commonly shows global patterns as homogeneous mono/dichromatic pigmentation and multichromatic pigmentation. Here, we report the case of a blue nevus with the dermoscopic feature of peripheral(More)
We report detector characteristics and background measurements from two prototype imaging CdZnTe (CZT) detectors flown on a scientific balloon payload in May 2001. The detectors are both platinum-contact 10 mm × 10 mm × 5 mm CZT crystals, each with a 4 × 4 array of pixels tiling the anode. One is made from IMARAD horizontal Bridgman CZT, the other from eV(More)
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