Abstract:
BACKGROUND:Endobronchial ultrasound-guided transbronchial fine-needle aspiration is a minimally invasive technique for diagnosis of mediastinal lesions. Although most studies have reported the utility of EBUS-FNA in malignancy, its use has been extended to the benign conditions as well. OBJECTIVE:To evaluate the diagnostic yield and cytologic accuracy of endobronchial ultrasound-guided transbronchial fine-needle aspiration (EBUS-FNA) in cases of clinically and radiologically suspected granulomatous diseases. PATIENTS AND METHOD:From May 2010 to April 2015, 43 of 115 patients who underwent EBUS-FNA at one center for radiologically and clinically suspicious granulomatous lesions, and with no definite histological diagnosis, were included in this retrospective study. RESULTS:When the histological diagnosis was taken as the gold standard, the sensitivity of EBUS-FNA was 85% and specificity was 100% with the positive predictive value of 100. The combined diagnostic sensitivity of EBUS-FNA and transbronchial lung biopsy was 100%. In 4 cases, cell block provided an exclusive morphological diagnosis of sarcoidosis which was noncontributory by EBUS-FNA. CONCLUSION:Our study supports the use of EBUS-FNA, by virtue of being a safe, minimally invasive, and an outpatient procedure, in the diagnosis of granulomatous mediastinal lymphadenopathy, thereby obviating more invasive testing in a significant number of patients. Also, cell block provides additional data in the diagnosis in these benign mediastinal diseases.
journal_name
Cytojournaljournal_title
CytoJournalauthors
Zaidi SN,Raddaoui Edoi
10.4103/1742-6413.165947subject
Has Abstractpub_date
2015-09-22 00:00:00pages
20eissn
0974-5963issn
1742-6413pii
CJ-12-20journal_volume
12pub_type
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