Total skin electron beam therapy (TSEBT) is a treatment option for mycosis fungoides (MF). In Japan, it has been rarely performed because of the time required for each treatment, physical burden on patients, and difficulties in providing uniform dosimetry. In recent years, helical tomotherapy, an intensity-modulated radiation therapy that applies helical computed tomography technology, has been used to treat cancer. Total skin helical tomotherapy (TSHT) has been suggested as a promising alternative to TSEBT for patients with MF, but there are few reports from Japan. We used TSHT to treat a 28-year-old Japanese woman with tumor stage MF. She achieved complete remission with TSHT (12 Gy in six fractions over 6 days) and remained in remission for 32 months without additional treatment. Treatment-related grade 4 myelosuppression was observed, but resolved with blood transfusions and subcutaneous injection of granulocyte colony stimulating factor. Other adverse events were tolerable. Although careful attention should be paid to myelosuppression, TSHT might be a useful treatment option for MF.
In a patient with primary lung cancer, increased accumulation of I-123-IMP was observed in a pulmonary inflammatory lesion surrounding a lung cancer which was delineated as a photon deficient area. Ga-67-citrate uptake was observed in both the inflammatory and cancerous areas. These findings suggest that I-123-IMP may have the potential to accumulate differently in a variety of pathological conditions of the lung and thus may be a clinically useful lung imaging agent.
Chemical ablation of the gallbladder with absolute ethanol and polidocanol 3 % was attempted in 23 and 10 pigs, respectively, after open transhepatic cholecystostomy. Absolute ethanol caused complete necrosis of the gallbladder epithelium in 10 pigs and partial necrosis with focally present gallbladder epithelium in 9. An intact epithelium was observed in 4 pigs but it was not possible to determine whether this epithelium was the original one, not affected by the ethanol, or regenerated after previous damage. Gallbladders with hemorrhage and hydrops were frequently encountered. Gallbladders treated with polidocanol all had an intact epithelium.
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