Page 25 - Differential Diagnosis in Small Animal Cytology, The Skin and Subcutis
P. 25
Chapter 2
12
VetBooks.ir
Fig. 2.1. Fine-needle sampling technique: with (left) and without (right) aspiration.
Imprint
• Advantages
Appropriate for ulcerated, wet, thin lesions, which are not suitable for fine needle aspiration.
• Disadvantages
The sample obtained is only representative of the superficial part of the lesion.
• Technique
Gently blot the tissue of interest with a sterile gauze to remove surface blood. Touch the
surface of the lesion with the slide.
Swab
• Advantages
Appropriate for evaluation of cavities, sinus tracts and draining lesions (e.g. ear swabs,
vaginal swabs).
• Technique
Insert the swab inside the sinus tract or draining lesion. Extract the swab and roll it along
the slide.
