Wideochirurgia i inne techniki maloinwazyjne = Videosurgery and other miniinvasive techniques · 2024
Computed tomography-guided percutaneous biopsy in diagnosis of suspected metastatic renal cell carcinoma: which location is the most suitable?
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Hoffmann Petr, Balik Michal, Hoffmannova Martina, Kopecky Jindrich, Ryska Pavel, Draganovicova Jana, Dvorak Petr
Аннотация
INTRODUCTION: Systemic targeted therapy options are commonly used in patients with metastatic renal cell carcinoma (mRCC). Histological verification is crucial for treatment of mRCC.
AIM: Our aim was to evaluate an optimal location for percutaneous computed tomography‑guided biopsy in a diagnosis of suspected mRCC.
MATERIALS AND METHODS: A total of 138 percutaneous biopsies for tumors ranging from 21 to 133 mm in diameter (median, 72 mm) were carried out in 134 patients with suspected mRCC over a 5‑year period. The biopsy location was variable, with kidney biopsy performed in 77 cases (55.8%), and other localizations (retroperitoneum, peritoneal cavity, liver, pelvis, pleural space, lung, mediastinum, chest or abdominal wall, and pancreas) in 61 cases (44.2%).
RESULTS: As many as 288 biopsies (97.1%), yielded truepositive results, and 4 procedures (2.9%) yielded histologically falsenegative results that required confirmation through extended rebiopsy. RCC was the most common individual diagnosis (85.5%), with non‑RCC histology verified in 14.5% of cases. In total, 32 complications (23.2%) were confirmed, 2 of which were pneumothoraces, 29 were minor bleeding that needed only conservative management, and 1 case required angiography and embolization for hemorrhage treatment. While no significant relationship between the biopsy success and lesion localization (renal vs other) was found (P = 0.13), the relationship between complication rate and biopsy localization (renal vs other) was significant (P = 0.01).
CONCLUSIONS: Lesion localization (renal vs other) was not relevant to histological accuracy of the biop‑ sies performed in patients with suspected mRCC. However, the biopsies of lesions outside the kidney had a lower complication rate.
AIM: Our aim was to evaluate an optimal location for percutaneous computed tomography‑guided biopsy in a diagnosis of suspected mRCC.
MATERIALS AND METHODS: A total of 138 percutaneous biopsies for tumors ranging from 21 to 133 mm in diameter (median, 72 mm) were carried out in 134 patients with suspected mRCC over a 5‑year period. The biopsy location was variable, with kidney biopsy performed in 77 cases (55.8%), and other localizations (retroperitoneum, peritoneal cavity, liver, pelvis, pleural space, lung, mediastinum, chest or abdominal wall, and pancreas) in 61 cases (44.2%).
RESULTS: As many as 288 biopsies (97.1%), yielded truepositive results, and 4 procedures (2.9%) yielded histologically falsenegative results that required confirmation through extended rebiopsy. RCC was the most common individual diagnosis (85.5%), with non‑RCC histology verified in 14.5% of cases. In total, 32 complications (23.2%) were confirmed, 2 of which were pneumothoraces, 29 were minor bleeding that needed only conservative management, and 1 case required angiography and embolization for hemorrhage treatment. While no significant relationship between the biopsy success and lesion localization (renal vs other) was found (P = 0.13), the relationship between complication rate and biopsy localization (renal vs other) was significant (P = 0.01).
CONCLUSIONS: Lesion localization (renal vs other) was not relevant to histological accuracy of the biop‑ sies performed in patients with suspected mRCC. However, the biopsies of lesions outside the kidney had a lower complication rate.