Plaque psoriasis of the palms

History

         A 46-year-old man presented with asymptomatic, well-demarcated, erythematous, scaly plaques confined to both palms of more than three years with frequent exacerbations and remissions. No other body areas were involved.

Erythrasma

History

         A 40-year-old man presented with asymptomatic, well-demarcated, red-brownish patches involved both axillae and both crural areas of many months duration. A characteristic coral red flourescence under wood’s lamp was seen.

Severe herpes zoster

History

       A 67-year-old man having many medical problems (HT, DM, Heart failure and chronic renal impairment) presented with vesicular rash on erythematous base involving T9 &T10 dermatomes associated with severe pain and burning sensation of five days duration. Some blisters were hemorrhagic and few others had target-like appearance.

Impetigo contagiosum

History

          A 4-year-old boy presented with asymptomatic, red crusted patches involved the periorbital region of three days duration. An oral cephalosprine suspension (Cefodox) plus fusidic acid ointment for one week gave excelllent result.

Herpetic whitlow

History

          A middle-aged lady suffered sudden excrutiating pain on two finger pulps (thumb and index finger) associated with discrete pustules of three days duration. One week later, the lesions have disappeared on treatment of oral acyclvir and topical fusidic acid cream.

Plexiform neurofibroma

History

          A 20-year-old female presented with a large nodular plexiform neurofibroma involved the arm in addition to tother manifestations of neurofibromatosis-1. Another giant plexiform neurofibroma had been surgically removed at age of 12 years (evidenced by long wide scar).

Post-lichen planus hyperpigmentation

Post-lichen planus hyperpigmentation2

History

         A 28-year-old lady with classical LP involved mainly the extremities specially the acral parts of more than six months duration. Two months after commencement of treatment with Hydroxychloroquine 200 mg per day plus topical potent corticosteroids most lesions have gone with residual brownish hyperpigmentation.

EM in a toddler

History

          A bilateral, symmetrical, slightly pruritic, pinkish-red papules and plaques with many lesions have target-like appearance involved chiefly the lower limbs with few scattered similar lesions on the arms of five days duration in a three-year-old female toddler. There was no history of previous herpes simplex or other inection and drug history was negative. Within three weeks with simple emollient application and oral diphenhydramine, the rash had gone completely.

Common, interesting and rare dermatoses presented in simple way by Dr. Nameer Al-Sudany