Progress of radiotherapy after breast-conserving surgery combined with silicone prosthesis reconstruction.

Breast cancer is the malignant tumor with the highest incidence in women. The standard treatment for early breast cancer is radical surgery combined with radiotherapy, but many studies have shown that adjuvant radiotherapy after breast-conserving surgery combined with silicone prosthesis reconstruction is gradually expected to become the new standard treatment because this method can obtain a good local tumor control rate, and has a cosmetic effect. Compared with myocutaneous flap reconstruction, silicone prosthesis implantation has the advantages of less trauma, simple operation, beautiful appearance, and no overlap of donor areas during reconstruction. It is a safe and feasible surgical method without worrying about necrosis and atrophy of myocutaneous flap. This emerging combination therapy may become the best mode of early breast cancer treatment.

Long-term survival case of a non-small cell lung cancer bone metastasis patient treated with bone cement, radiation and gefitinib.

OBJECTIVE: We explore the treatment of bone metastases in advanced non-small cell lung cancer (NSCLC). MATERIALS AND METHODS: We reported a 76-year-old female patient, who was diagnosed with NSCLC with bone metastasis eight years ago (stage IVA). Due to unbearable diarrhea, she refused chemotherapy, and we adopted local treatment, including local radiotherapy 50 Gy and bone cement to lumbar spinal metastases, 62 Gy local radiotherapy of primary lung tumor, TKI inhibitor gefitinib and zoledronic acid. RESULTS: She survived more than eight years and is still in follow-up. CONCLUSIONS: The median survival time for NSCLC patients with bone metastases is often less than 1 year. We reported the patient with more than eight years of survival, showed that some special cases can adopt the methods of local treatment including bone cement, treatment benefit patients, radiation therapy and targeted therapy in clinic to expand the survival.

Treatability of organic fractions derived from secondary effluent by reverse osmosis membrane.

Dissolved organic matters (DOMs) from two batches of secondary effluent collected from a local water reclamation plant were fractionated using column chromatographic method with non-ionic resins XAD-8, AG MP-50 and IRA-96. Seven isolated fractions were obtained from the fractionation study and these fractions were quantified using DOC, UV(254) and SUVA values. The fractionation study revealed that the secondary effluent samples comprised about 47.3-60.6% of hydrophobic and 39.4-52.7% of hydrophilic solutes. The treatability of each isolated fraction was investigated by subjecting each fraction to reverse osmosis (RO) treatment individually. It was noted that RO process could achieve high DOC rejections for acid and neutral fractions (ranging from 80% to 98% removal) probably due to the negative charge of RO membrane. The results obtained also indicated that hydrophobicity of DOMs is significant in determining treatability of organic species by RO process. The performance of RO in terms of DOC rejection of un-fractionated secondary effluent was also investigated to assess possible effects of interactions among organic fractions on their treatability by RO process. It was noted that DOC rejection associated with the un-fractionated secondary effluent was generally higher (ranging from 2% to 45%) than the corresponding rejection obtained from each individual fraction isolated from the secondary effluent. This finding suggested there is a beneficial interaction among the fractions that in turn has contributed towards a better overall DOC rejection performance by RO treatment.