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1.
APMC-Annals of Punjab Medical College. 2016; 10 (4): 237-241
en Inglés | IMEMR | ID: emr-185547

RESUMEN

Objective: To determine the diagnostic accuracy of Computed Tomography [CT] in patients with neck and mediastinal lymphoma and correlate with gold standard histopathology results. Period: This study was conducted during six months period extended from March 2013 to September 2013. Setting: Department of diagnostic radiology, Dr. Ziauddin University Hospital, Karachi


Methodology: A total of 366 patients presenting with sign and symptoms such as fever, night sweats, weight loss or having any swelling in the cervical region were included and CT was performed; regardless of scan result suggestive of either presence or absence of lymphoma; patients were followed and histopathological findings of each patient was collected and recorded on Performa. Other demographic variables were also obtained and data were analyzed by Statistical Package for the Social Sciences [SPSS] -17


Results: Sensitivity, specificity, positive and negative predictive value as well as accuracy of computed tomography in the detection of neck andmediastinal lymphoma were found to be 75%, 89.9%, 59.2, 94.8% and 87.4% respectively. For patients with 10 months duration of disease, the accuracy of CT scan was observed as 84.7% and 93.6% respectively


Conclusion: CT scan is cross-section modality of choice for evaluating patients with suspected malignant tumors. CT is readily available and has high accuracy in distinguishing a mass compared with other tumors

2.
JBUMDC-Journal of Bahria University Medical and Detal College. 2016; 6 (4): 219-222
en Inglés | IMEMR | ID: emr-199350

RESUMEN

Objective: To evaluate the role of CT scan of nasal cavity and paranasal sinuses in preoperative assessment of anatomical variants and in determining their frequencies


Materials and Methods: This descriptive study was done as a part of residency training for FCPS in the subject of Radiology on 132 patients who visited the hospital, Sindh Institute of Urology and Transplantation [SIUT] from March 2012 to April 2013. All CT scans were reviewed for presence of concha bullosa, variations of uncinate process, haller cell, onodi cells, aggernasi cells, ethmoid bulla, paradoxical middle turbinate, deviated nasal septum [DNS], pneumatization in the nasal septum, superior and middle turbinate, and uncinate process. Frequencies of all anatomical variants were calculated using SPSS version 16


Results: Deviated nasal septum was found to be the most frequent variant 31% followed by Concha bullosa 18.9% and variations in uncinate process 12%. Rhino sinusitis was found in all cases with paradoxical medial turbinate and patients with variation in uncinate process


Conclusion: CT scan can play an important role in preoperative assessment of variants and in determining their frequencies in nasal cavity and paranasal sinuses. It could be of great help for surgical planning and minimizing the surgical complications in patients

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