PMC3420489_01
(a) Scalp mass in the left temporoparietal region. (b) Scalp mass in the left temporoparietal region.
CRIM.NM2012-616813.001.jpg
PMC3420489_01_CRIM.NM2012-616813.001.jpg
fig1
On local Examination Diffuse swelling in the left parietal and occipital scalp more than 10 x 10 cm, irregular surface, skin over the swelling normal, patchy loss of hair, no tenderness, no transparency or translucency, no pulsation (Figure 1).
(a) CT scan axial section of the head showing scalp swelling in the left temporoparietal region after partial excision of the mass. (b) CT scan axial section showing scalp swelling after partial excision of the mass.
CRIM.NM2012-616813.002.jpg
PMC3420489_01_CRIM.NM2012-616813.002.jpg
fig2
 Computed tomographic examination showed Swelling (soft tissue opacity) in the left Parietal region, the surrounding parietal and occipital bones shows bony erosions with cortical thickening and periosteal reaction withmotheaten pattern of destruction.There is associated component of subdural collection (Figures 2 and 4).
CD 20, CD 45 positivity.
CRIM.NM2012-616813.003.jpg
PMC3420489_01_CRIM.NM2012-616813.003.jpg
fig3
The immunohistochemistry showed CD 20, CD 45 positive (Figure 3).
3D reconstructed images of the skull.
CRIM.NM2012-616813.004.jpg
PMC3420489_01_CRIM.NM2012-616813.004.jpg
fig4
 Computed tomographic examination showed Swelling (soft tissue opacity) in the left Parietal region, the surrounding parietal and occipital bones shows bony erosions with cortical thickening and periosteal reaction withmotheaten pattern of destruction.There is associated component of subdural collection (Figures 2 and 4).
PMC3420489_02