Figure 3.1
Lichen Planus
Clinical Differential Diagnosis
Drug eruption
Lichen Planus secondary to Hepatitis C infection
Psoriasis
Tinea
Contact dermatitis
Histopathology
Sections showed a band-like infiltrate of lymphocytes along the epidermal/dermal junction. The junction showed “sawtooth” like changes. Focal wedge shaped hypergranulosis was seen (Fig. 3.2) Period Acid-Schiff stain tested negative for fungus.
Figure 3.2
6 Year Old White Male with Recurrent Brownish Patches Around Mouth
70 Year Old White Male with Grouped Blisters on Right Lower Leg
50 Year Old Male with Confluent, Scaly Plaque Covering the Inguinal Area and Extending to Both Inner Thighs
6 Year Old White Boy with a Rash on Buttock
57 Year Old Male with Multiple Widespread Excoriations
46 Year Old Female with Multiple Slightly Eroded Reddish Papules on Her Arm
H&E 100×, Lichen planus eruption secondary to Hepatitis C infection
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6 Year Old White Male with Recurrent Brownish Patches Around Mouth
70 Year Old White Male with Grouped Blisters on Right Lower Leg
50 Year Old Male with Confluent, Scaly Plaque Covering the Inguinal Area and Extending to Both Inner Thighs
6 Year Old White Boy with a Rash on Buttock
57 Year Old Male with Multiple Widespread Excoriations
46 Year Old Female with Multiple Slightly Eroded Reddish Papules on Her Arm
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