- Harry’s Dictum-
- 1 X 3 X 5 dimension
- 7 ounce weight
- 9 to 11 Ribs
- Spleen develops from the dorsal mesogastrium
- Develops as small masses which later join together.
- Superior border has notch.
- Splenic notch is formed by incomplete fusion of splenic mases
- Failure of fusion of splenic notches leads to accessory spleen
- Can be palpated
- Intermediate border has splenic hilum which has
- Gastrosplenic ligament- contents-
- Short gastric arteries
- Left gastro epiploic vessels
- Lienorenal ligament-contents-
- Spleen to kidney
- Tail of pancreas
- Splenic vessels running over upper border of pancreas
- Spleen to kidney
- Pancreatico splenic lymph nodes
- Sympathetic Nerve plexus
- Gastrosplenic ligament- contents-
- Phrenico-colic ligament-
- Comes from diaphragm to splenic flexure of colon
- Acts as a shell for spleen
- It only supports the spleen
- It is not attached to spleen
- Prevents the downward enlargement of spleen towards the left iliac fossa
- Costal/Diaphragmatic surface-
- Corresponds to ribs 9, 10 and 11.
- 10th rib forms the long axis of the spleen
- Inferior border
- Broad anterior end laterally placed towards mid axillary line
- Flat surface should be inferiorly placed
- Narrow posterior end
- Medial end medially placed towards the midline
- Visceral Relations-
- Gastric impression
- Renal impression-
- Colic impression