PMC3937496_01
Clinical photograph showing crusted papules on the back
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F1
On examination, multiple papules with crusting and central necrosis were seen on bilateral extensor surface of upper limbs with clustering of lesions around elbows and the back [Figures 1 and 2].
Clinical photograph showing crusted papules around the elbows
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F2
On examination, multiple papules with crusting and central necrosis were seen on bilateral extensor surface of upper limbs with clustering of lesions around elbows and the back [Figures 1 and 2].
Clinical photograph showing ulcer on buttock and nodules with crusting
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F3
One ulcer of size 4x4cm with necrotic base and surrounding erythema were seen on left buttock [Figure 3].
Histopathology showing subepidermal pustule, neutrophilic inflammation with vasculitis (H and E, x100)
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F4
These features were consistent with PNT [Figures 4 and 5].
Histopathology showing subepidermal pustule, neutrophilic inflammation with vasculitis (H and E, x400)
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F5
These features were consistent with PNT [Figures 4 and 5].