rod body

Rod-shaped bodies are only found in leukemia cells, so it is important to see rod-shaped bodies for the diagnosis and differential diagnosis of acute leukemia. In acute myeloid leukemia, the cytoplasm of immature granulocytes is more common, and it is thick and short rod-like, and the amount can be more. In acute monocytic leukemia, it can appear as a slender rod, often 1; in acute lymphoblastic leukemia, Rod-shaped bodies appear. Basic Information Specialist classification: growth and development examination classification: blood examination Applicable gender: whether men and women apply fasting: not fasting Tips: Inappropriate people include people who are overeating before drinking blood and drinking alcohol. Normal value Red thin rod-like substance appearing in the cytoplasm of leukocytes, one or several, about 1 to 6 μm long Clinical significance Acute myeloid leukemia, acute monocytic leukemia. Precautions Taboo before the examination: It is necessary to cooperate with the doctor to write the correct name, neat and tidy, to avoid confusion caused by the same name or similar names. With these in mind, blood draws are more convenient and faster, and you can better save yourself time for diagnosis. Requirements for inspection: 1. On the day of blood draw, do not wear clothes that are too small or too tight in cuffs to avoid the sleeves being too tight when blood is drawn or the sleeves are too tight after blood draw, causing blood vessels in the arms. 2. Different laboratory items should be asked by the doctor and treated differently. Such as blood sugar check, postprandial blood sugar, must be checked after eating, pre-meal blood sugar, must not eat before the morning check, before the blood lipid check, it is best not to eat foods with high fat, such as pork ribs soup, check cholesterol before Eat less or not eat eggs. Inspection process 1, the end of the blood collection. 2, blood film: take a drop of peripheral blood, add to the right end of the slide, take the push piece from the left side of the blood drop to contact the blood, gently press the blood drop 2 to 3 times, so that the blood along the push piece and the slide Disperse, as shown in Figure 1, push the pusher to the left at a constant speed until the blood drop is exhausted. The blood film should be tongue-shaped, and the head, body and tail can be clearly divided. 3. Allow to stand at room temperature until it is naturally dry, or keep warm at 37 °C. 4, staining: flat blood film on the staining rack, drop 3 ~ 5 drops of Wright's dye solution, so that it quickly cover the blood film, about 1 minute, add 5 ~ 10 drops of buffer, with ear wash The blood is blown, so that the two liquids are thoroughly mixed. Allow to stand for about 10 minutes, wash off the dye solution with tap water, and dry. 5, microscopic examination: A. First use the low power microscope to observe the blood staining, white blood cell distribution and so on. B. Select the well-stained area at the junction of the blood film sheet tail. In the order of wall-wall advancement, 100 white blood cells were observed by oil mirror, and the percentage of various white blood cells was recorded separately. Not suitable for the crowd Those without examination for appropriate symptoms should not be tested. Adverse reactions and risks 1. Infection: Pay attention to aseptic operation when collecting blood, avoid contamination of water and other parts at the blood collection site to avoid local infection. 2, bleeding: after the blood is given a full compression time, especially coagulopathy, bleeding tendency, to avoid local subcutaneous oozing, bruising and swelling.

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