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The supplemental questionnaire further queried which respiratory specimen types were performed in each laboratory (sputa, bronchial washings, bronchial brushings, bronchoalveolar lavages, percutaneous transthoracic image-guided fine-needle aspirations, percutaneous transthoracic image-guided core biopsies with touch preparations, endobronchial ultrasound-guided [EBUS] fine-needle aspirations, bronchial mucosal or transbronchial biopsies with touch preparations, and electromagnetic navigational bronchoscopies).
Touch preparations and CNBs were processed by standard procedures: TP slides were air-dried and stained with Diff-Quik (representative example is shown in Figure 1).
Touch preparations for the intraoperative evaluation of sentinel lymph nodes after neoadjuvant therapy have high false-negative rates in patients with breast cancer.
g, Touch preparation from this specimen confirms the clumping and the hypercellularity typical of a metastatic thyroid cancer.
A visible nucleolus is present in both the CTCs and the cells shown from the touch preparation of the original needle biopsy from 4 years prior.
FISH analysis in cell touch preparations and cytological specimens from formalin-fixed fetal autopsies.
Thin blood films and touch preparations from the liver, spleen and kidneys were fixed in absolute methanol and stained with phosphate buffered (pH 7,4) 10% Giemsa for one hour.