PMC3303500_01
Clinical photograph of patient
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F1
Clinical examination revealed a swelling of 2 x 2 cm in diameter at the midline of the upper lip [Figure 1].
Gross specimen showing multilobulated mass
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F2
On gross examination, the mass was multilobulated, grayish white in color, soft in consistency and measuring about 2 x 2 cm in diameter [Figure 2].
Encapsulated tumor mass consisting of adipose tissue separated by branched vascular network (H and E stain, original magnification, x10)
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F3
Histopathologically, H and E stained section under low magnification revealed an encapsulated tumor mass consisting of adipose tissue separated by branched vascular network [Figure 3].
Numerous mature adipocytes with variable sized endothelial lined blood vessels (H and E stain, original magnification, x10)
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F4
Thin walled small capillary like vessels were present at the periphery of the tumor mass [Figure 4].
Thin walled capillary like vessels present at the periphery of the tumor mass (H and E stain, original magnification, x40)
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F5
Under higher magnification numerous mature adipocytes with variable sized endothelial lined blood vessels were seen [Figure 5].
Presence of fibrinous microthrombi (H and E stain, original magnification, x40)
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F6
Few areas show presence of fibrinous microthrombi [Figure 6].
Tumor tissue showing increased mast cells density in and around blood vessels (toluidine blue stain, original magnification x40)
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F7
Toluidine blue staining showed an increased mast cells density in and around blood vessels [Figure 7] with degranulation [Figure 8].
Tumor tissue showing degranulating mast cell in and around blood vessels (toluidine blue stain, original magnification x40)
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F8
Toluidine blue staining showed an increased mast cells density in and around blood vessels [Figure 7] with degranulation [Figure 8].