Klippel-Trénaunay-Weber syndrome

Case contributed by Dr Michael P Hartung


Lower extremity pain.

Patient Data

Age: 30 years
Gender: Male

Splenic hemangiomatosis.

Left iliopsoas hypertrophy. 

Left subcutaneous venous malformations. 

Left lower extremity hemihypertrophy with muscular atrophy. 

Case Discussion

Klippel-Trénaunay-Weber syndrome is diagnosed with at least two of these three features are present: capillary malformations, soft tissue or bone hypertrophy, and varices or venous malformations. Most cases are sporadic. Most cases involve the lower limb as the site of malformations. 

These patients are at risk for sequestration of platelets, resulting in Kasabach-Merritt syndrome (a consumptive coagulopathy). They can also suffer from stasis dermatitis, thrombophlebitis, cellulitis, congestive heart failure, bleeding, and thromboembolic events. 

Companion case: Klippel-Trénaunay-Weber syndrome

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Case information

rID: 65370
Published: 7th Jan 2019
Last edited: 14th Aug 2019
Inclusion in quiz mode: Included

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