Читать книгу Gastrointestinal Pathology - Группа авторов - Страница 17

Most pinch biopsy samples are placed directly in formalin without orientation. This is also true for small polyps where the likelihood of invasive cancer is very low. The sample is placed directly into a small formalin jar. The needle or forceps should be rinsed if it comes in direct contact with formalin as subsequent contact with living tissue can cause chemical injury.