Tumors of the extremities

Tumors of the extremities include :

1.  Vascular hamartosis – a malformation in which newly formed vessels proliferate.
2. Klippel-Weber-Trenaunay syndrome should be considered in the differential diagnosis. The  
hemangiomas may vary in size and location. Some authors do not consider them to be true
tumors, but rather suspect them to represent vascular malformations.
3. Lymphangioma. A cavernous lymphangioma involves the lymphatic vessels and is related to
cystic hygroma, thus considered a malformation.
4. Sarcoma – mainly rhabdomyosarcoma. This should be distinguished from infantile
myofibromatosis.      
 
click to enlarge
fig. 14 fig. 15 fig. 16
fig. 17 fig. 18

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