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Войти в исследования Khirurgiia · 2023
[Transbronchial cryobiopsy for mediastinal lesions: a pilot study].
Аннотация на английскомСтатьяНазвание и аннотация: Перевод в очереди
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Danilevskaya O V, Chernikova E N, Esakov Yu S, Averyanov A V, Karnaukhov N S, Shishin K V
Аннотация
OBJECTIVE: To describe a novel transbronchial cryobiopsy technique for mediastinal lesions after initial ultrasound assessment and EBUS-TBNA.
MATERIAL AND METHODS: Transbronchial cryobiopsy (TBCB) was performed in 35 patients with suspicious mediastinal lesions between November 2020 and September 2022. Age of patients ranged from 22 to 75 years (median 50 [39; 62]). Men-to-women ratio was 13:22.
RESULTS: According to morphological data, patients with sarcoidosis (n=13), NSCLC (n=7) and metastases of other tumors (n=3) prevailed. There were patients with B-cell lymphoma (n=1), Castleman disease (n=1) and small cell lung cancer (n=2). Among 15 biopsies for immunohistochemical examination, samples were sufficient for final morphological conclusion in 11 (73.3%) cases (95% CI 48.5-89.1). In 4 (11.4%) cases (95% CI 4.5-26), examination was uninformative. Repeated biopsy was performed in 2 cases, and sarcoidosis of thoracic lymph nodes was confirmed. Sensitivity, specificity and accuracy of transbronchial cryobiopsy were 93.3, 100 and 94%, respectively. There were no clinically significant complications. In one case, chest X-ray revealed pneumomediastinum without need for additional treatment.
CONCLUSION: Transbronchial mediastinal cryobiopsy is a perspective method for diagnosis of mediastinal neoplasms. Apparently, this approach may be advisable in patients with suspected sarcoidosis or lymphoproliferative diseases.
MATERIAL AND METHODS: Transbronchial cryobiopsy (TBCB) was performed in 35 patients with suspicious mediastinal lesions between November 2020 and September 2022. Age of patients ranged from 22 to 75 years (median 50 [39; 62]). Men-to-women ratio was 13:22.
RESULTS: According to morphological data, patients with sarcoidosis (n=13), NSCLC (n=7) and metastases of other tumors (n=3) prevailed. There were patients with B-cell lymphoma (n=1), Castleman disease (n=1) and small cell lung cancer (n=2). Among 15 biopsies for immunohistochemical examination, samples were sufficient for final morphological conclusion in 11 (73.3%) cases (95% CI 48.5-89.1). In 4 (11.4%) cases (95% CI 4.5-26), examination was uninformative. Repeated biopsy was performed in 2 cases, and sarcoidosis of thoracic lymph nodes was confirmed. Sensitivity, specificity and accuracy of transbronchial cryobiopsy were 93.3, 100 and 94%, respectively. There were no clinically significant complications. In one case, chest X-ray revealed pneumomediastinum without need for additional treatment.
CONCLUSION: Transbronchial mediastinal cryobiopsy is a perspective method for diagnosis of mediastinal neoplasms. Apparently, this approach may be advisable in patients with suspected sarcoidosis or lymphoproliferative diseases.