SPLEEN- Indication ,Preparation | NORMAL spleen, ABNORMAL spleen | How To Find Image

spleen is normal in size, it can be difficult to image completely.


Indication

  • Splenomegaly (enlarged spleen)
  • Left abdominal mass
  • Blunt abdominal trauma
  • Left upper abdominal pain 
  • Suspected subphrenic abscess
  • Jaundice combined with anaemia
  • Echinococcosis (hydatid disease)
  • Suspected malignancy, especially lymphoma or leukaemia
Preparation
  1. Preparation of the patient: The patient should take nothing by mouth for 8hrs preceding the examination.
  2. Position of the patient: The patient should be supine initially and later on the right side.
  3. Choice of transducer: For adult 3.5MHz sector transducer. For children and thin adults, use a 5MHz sector transducer. A small sector transducer is hlpful, if available.
Normal spleen
It is important to identify the:
  • Left hemi-diaphragm
  • Splenic hilus
  • Splenic veins and relationship to pancreas
  • Left kidney
  • Left edge of liver
  • Pancreas
When the spleen is normal in size, it can be difficult to image completely. the splenic hilus is the reference point to ensure correct identification of the spleen. Identify the hilus as the entry point for the splenic vessels.

SPLEEN- Indication ,Preparation | NORMAL spleen, ABNORMAL spleen | How To Find Image

Abnormal spleen
There are no absolute criteria for the size of the spleen on ultrasound. when normal, it is a little larger than or about the same size as the left kidney. the length should not exceed 15cm in the major axis.

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