History
This 6-month-old infant presented with a congenital capillary hemangioma affected the left buttock. On examination, major portion of the lesion had been replaced by scar tissue due to secondary bacterial infection.
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Pityriasis rosea
History
A 32-year-old female presented with slightly itchy, pinkish-red, scaly plaques and patches involved the trunk and proximal parts of the extremities of two weeks duration. The scales are confined to the peripheral rim of the plaques. Note herald patch on the lower part of the right upper arm.
Lupus vulgaris
History
An 8-year-old girl presented with a slowly growing unilateral well-demarcated reddish-brown scaly indurated plaque involved one cheek and the nose of more than one year duration. Tuberculin test was positive and skin biopsy revealed a tuberculoid granuloma.
Pityriasis versicolor
History
A 30-year-old man presented with widespread slightly pruritic very well demarcated red brownish patches covered with bran-like scales. The rash involved the trunk, neck and arms of many months duration.
Pseudocyst of the auricle
History
This 20-year-old patient presented with a unilateral, fluctuant, tense, noninflammatory cystic swelling on the upper half of the ear of one year duration. No history of previous trauma.
Palmoplanter plaque psoriasis
History
A 20-year-old male presented with red scaly fissured plaques confined to the palms and soles associated with red scaly plaques on the scalp and positive family history of psoriasis.
Tinea faciei
History
A 21-year-old female presented with a unilateral, well-demarcated, itchy, red scaly plaque with an active more scaly and slightly elevated border involved most of the left side of the face of four months duration. Based on a wrong diagnosis topical corticosteroids had been prescribed and used by the patient for more than two months. KOH examination at time of presentation yielded fungal hyphae and spores. The condition was cured with oral griseofulvin therapy for six weeks.
Stevens Johnson syndrome
History
A 60-year-old woman presented with severe drug-induced reaction on both lower limbs with few lesions elsewhere in addition to mucosal involvement of the mouth of two days duration. The insulting drug was sulfonamide and the onset of the rash was within 48 hours of taking the drug. The rash comprised of bilateral symmetrical bullae on a background of erythematous macules and patches in addition to erosions and peeling.