Usefulness of conventional and low-dose hydro-CT in the diagnosis of gastric tumors in comparison to endoscopy

Międzybrodzki, Krzysztof; Zaleska-Dorobisz, Urszula; Słonina, Joanna; Sokolska, Violetta; Pawluś, Aleksander; Badowski, R; Sąsiadek, Marek

doi:10.1016/j.ejrad.2017.05.034

Cited by 1 publication

(2 citation statements)

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“…10 Miedzybrodzki et al (2017) found CT scan sensitivity and specificity is 89% and 100%, respectively. 17 Choi et al (2014) found high sensitivity of 94.9% and specificity of 93.8%. 18 Study by Horton et al (2014) also showed that CT scan is the first choice of diagnostic modality.…”

Section: Discussionmentioning

confidence: 97%

“…21 Miedzybrodzki et al (2012) found the use of endoscopy in diagnosing GIST provide the sensitivity of 82%, specificity of 100%, positive predictive value of 100%, and negative predictive value of 58%. 17 Stroszczynski et al (2005) found MRI was the best method to detect metastasis of GIST. 22 CT imaging showed the characteristics of CT such as central necrosis, heterogeneous enhancement, cavitation that provides gaslike feature within the tumor, and the absence of enlarged lymph nodes.…”

Section: Discussionmentioning

confidence: 99%

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CT Scan as A Diagnostic Modality of Gastrointestinal Stromal Tumor: A Systematic Review

Mazni

Robby

2018

NRJS

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Introduction. Preoperative diagnosis of GIST is an important factor in the management. However, due to the rarity of the case, there is a controversy about the accuracy of CT scan as an accurate diagnostic tool. Therefore, a systematic review is required to find out the answer. Method. A review was conducted to find out evidence of the highest level regarding the accuracy of CT scan as a diagnostic modality of GIST. The study addressed to find out the sensitivity, specificity, positive and negative predictive values. A literature search carried out in database sites i.e. PubMed, ClinicalKey, ScienceDirect, and Cochrane using keywords "gastrointestinal stromal tumor" OR "GIST" AND "ultrasound" OR "CT scan" OR "MRI" AND "diagnostic" OR "imaging". Systematic reviews, RCTs, cohort study, case report or series, studies in adults, published within the last ten years, and availability in full text were included. Correspondence, editorial, or commentary, and no histopathology data were excluded. The articles were critically appraised. The review proceeded in accordance with PRISMA. Results. Twelve studies were analyzed in the study. The sensitivity of CT scan was in range of 77.26-94.9%, specificity 77.2-100%, PPV 74.38-100%, and NPV 68.32-81.2%. CT scan was found to be the modality of choice in establishing the diagnosis of GIST. Central necrosis, heterogenous enhancement, cavitation without lymphadenopathy were the features represented by CT scan. Conclusion. CT scan is the modality of choice in establishing diagnosis of uncomplicated GIST, with sensitivity and specificity of 94.9% and 100%, respectively. Other modalities were considered in advanced or GIST with metastasis.

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Section: Discussionmentioning

confidence: 97%