Journal of Cytology
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Year : 2018  |  Volume : 35  |  Issue : 3  |  Page : 179-182

Trucut biopsy vs FNAC of pelvic tumors-who wins the match?

1 Department of Pathology, S.C.B. Medical College, Cuttack, Odisha, India
2 Department of Surgical Oncology, AHRCC, Cuttack, Odisha, India

Correspondence Address:
Dr. Asaranti Kar
Department of Pathology, S.C.B. Medical College, Cuttack - 753 007, Odisha
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/JOC.JOC_63_18

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Preoperative pathologic diagnosis of pelvic tumors is mandatory for proper management of patients like neoadjuvant chemotherapy and interval debulking. Currently there are many minimally invasive methods available which include fine-needle aspiration cytology (FNAC) and trucut biopsy, mostly complimentary to each other. FNAC is a cheap, rapid and sensitive method for diagnosis of pelvic tumors. It can be done as an outpatient procedure without complications. But with it, the tissue architecture cannot be seen. Trucut biopsy on the other hand reveals tissue architecture and can help in grading and subtyping of malignant tumors. Trucut biopsy has to be done under image guidance like ultrasound and computed tomography. Patient is administered local anaesthetic and can be discharged safely after 2 hours. Pathologists familiar with histomorphology can give a correct diagnosis easily. But many times sampling errors may occur; especially in large tumors, resulting only in necrosis, hemorrhage and degenerated tissue bits. Also differentiation of borderline from malignant ovarian tumors is very difficult. In case of mixed tumors one component may be missed. Hard tumors like fibromas and leiomyomas yield scanty material and result in inadequate reporting. With FNAC, the overall accuracy rate is estimated to be around 96.3%. With trucut biopsy, adequacy is from 91 to 95% and accuracy is approximately 98% in different studies. When both methods are combined, the adequacy is 100%, diagnostic accuracy 95.5%, sensitivity 94.9% and specificity 100%. Therefore depending on the clinical diagnosis and the location of tumors, either FNAC and/or trucut biopsy can be chosen.

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