Vesical nodes !
The vesical nodes are small lymph nodes beside the bladder; they are the first filters for lymph from the bladder and drain on to the iliac nodes.
Official name: Lateral vesical nodes; prevesical nodes; postvesical nodes
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What it is
Small lymph nodes around the bladder: in front (prevesical), at the sides (lateral vesical) and behind (postvesical).
What it does
The first filters for lymph from the bladder; they drain on to the iliac nodes.
Key facts
- Where
- Small nodes around the bladder along the vesical vessels: prevesical (in front), lateral vesical and postvesical (behind)
- Drains
- Urinary bladder
- Into
- External and internal iliac nodes (bladder base also directly to internal iliac), then common iliac nodes
Relations
- In front
- Prevesical nodes in the retropubic space, in front of the bladder
- Lateral
- Lateral vesical nodes along the vesical vessels and the obliterated umbilical artery
- Behind
- Postvesical nodes behind the bladder, near the seminal vesicles and the ductus deferens
On imaging
Normal nodes are too small to see. CT or MRI judges nodes mainly by size, which misses small deposits; PET-CT can add information.
Clinical notes
- Pelvic lymph node dissection with radical cystectomy removes the perivesical tissue with these nodes; an extended dissection reaches up to the common iliac nodes
- Enlarged nodes on imaging are not always cancer: inflammation after transurethral resection or an infection can also enlarge them, so nodal status is settled by pathology
Test yourself
Think of the answer, then tap the question to see it.
Where are the vesical nodes, and how are they grouped?
Small nodes around the bladder along the vesical vessels: prevesical (in front), lateral vesical and postvesical (behind).
To which nodes does bladder cancer spread after the vesical nodes?
The obturator, external iliac and internal iliac nodes, then the common iliac nodes.
Why are the pelvic nodes removed with radical cystectomy?
Nodal spread changes the stage and outlook of bladder cancer.
Educational information, not medical advice. For any symptom, see a health professional.
Its names
- Official Latin (TA2)
- nodi vesicales laterales; nodi prevesicales; nodi postvesicales
- Official Spanish (DeCS)
- Nódulos linfáticos vesicales laterales, prevesicales y retrovesicales DeCS D008198
- English (TA2)
- Lateral vesical nodes; prevesical nodes; postvesical nodes
- Also called
- paravesical nodes
Related
Sources: DeCS; Anatomy, Abdomen and Pelvis: Lymphatic Drainage.
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Representative model, for educational purposes only.
