ANEURYSMAL BONE-CYST OF THE SPINE

The authors report one case of aneurysmal rachidian cyst who concern a young girl of eleven years old presenting lumbagos with pyramidal irr itation on a L2 and L3 lesion. The radiological exploration (CT, MRI) has a double interest: to find again lytical pictures of the rear arch blowing the cortical, liquids levels, logets which remind the macrosc opical appearance of the aneurysmal rachidian cyst; to specify the reg ional extension of preoperative interest. The histological confirmatio n of the aneurysmal rachidian cyst after a surgical treatment and the conformity of anatomo-radiological descriptions, confirm the predictiv e value of the semeiology described in case of aneurysmal rachidian cy st.