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RISS 인기검색어
- 검색키워드
- 저자 : ( Alpana Singh ) (검색결과 2 건)
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Cervical xanthogranuloma in a case of postmenopausal pyometra
( Alpana Singh ),( Garima Vats ),( A G Radhika ),( Pragati Meena ),( Gita Radhakrisnan ) 대한산부인과학회 2016 Obstetrics & Gynecology Science Vol.59 No.5
Xanthogranuloma is a non-neoplastic presentation of chronic inflammation commonly seen in gallbladder, kidney and rarely seen in genital organs. Only one case has been reported in cervix. Here, we report a case of 60-yearold postmenopausal lady who presented with history of fever and purulent discharge per-vaginum. On speculum examination, cervix had an ulcer extending from 3 to 5 o’clock position. Uterus was bulky. On probing the ulcer, a 1-cm deep sinus was identified. Ultrasound showed enlarged uterus and fluid collection suggestive of pyometra. Pyometra was drained and cervical biopsy was taken from the ulcerated lesion; histopathology revealed granulomatous inflammation with predominantly xanthous cells suggestive of tuberculosis. High index of clinical suspicion needs to be maintained in abnormal cervix. It is a perplexing and rare entity for a clinician and also a diagnosis of exclusion; only histopathology can help for diagnosis. It mimics like malignancy and chronic infections.
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Jitendra Pratap Singh Mathur,Alpana Pandey 대한전기학회 2020 Journal of Electrical Engineering & Technology Vol.15 No.3
The manuscript presents the construction of a diagonally structured Parity check matrix using lower and upper (LU) decomposition for regular Quasi Cyclic-Low Density Parity Check Codes (QC-LDPC) with girth 12. This diagonally structured parity check matrix reduces the sparsity characteristics of QC-LDPC codes. The regular Quasi Cyclic-LDPC code has been constructed using circulant shifting and randomization method in which uniform distribution of non-zero elements, XOR operation, and pairing of row and column has been done. A Simplifed Log Domain Sum-Product Algorithm (SLDSPA) is used for the decoding of the constructed code. To reduce the CPU run time of the constructed code, a column-wise loop optimization technique is applied. The frame error rate and CPU run time is calculated for diferent code lengths such as code1 (816, 408), code2 (1008, 504), code3 (1032, 516), code4 (1944, 972), code5 (672, 336) and code6 (504, 252). The construction of regular QC-LDPC codes on half code rate is obtained for the weight of each row is 6 and each column is given by 3. The results showing that the constructed code is better performing in terms of Low FER (10−1 to 10−7), Low SNR (0 to 3.5 dB) and Less CPU run time in milliseconds.
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