25 years old man presented with the above lesions of three weeks duration.Diagnosis?
Pitted keratolysis.
More:
DermNet NZ.
eMedicine.
Case 2
58 years old lady, with history of right breast CA and mastectomy done, developed the above lesions after given two cycles of chemotherapy.Diagnosis?
?Vitiligo
Case 3
65 years old man presented with the above painful lesions over the anterior chest wall with small vesicles and discharges. He was told by the GP that it was shingles. Patient was very concerned and decided to seek 2nd opinion.The lesion appeared in a straight line, with areas of crusting and serous discharge. It did not confine to a typical dermatomal area.
Diagnosis?
Most likely insect bite reaction.
Case 4
29 years old guy, presented with the above non-pruritic rashes over three weeks duration over the body, first started over the left shin.On examination, there was scattered ring-liked erythematous papules with skight scaling over the back of the trunk. There was also a bigger such lesion over the left shin. Fungal scrapping was negative.
Diagnosis?
Pityriasis rosea (Note the herald patch).
Case 5
25 years old lady presented with the above pigmented lesions over the back of three years duration, which were non-pruritic.On inspection, there was areas of reticular hyperpigmented macules with fine scaling seen.
Fungal scrapping was negative.
Diagnosis?
Initially thought it was Pityriasis vesicolor, however scrapping was negative.
My friend suggested that it could be Becker's naevus. (However, I didn't see obvious overlying hair).
The above lesions were noted on the body of a 55 years old man. He is asymptomatic. He said such lesions had appeared on the body since he was teenage.Diagnosis?
Becker's naevus (Note the overlying hair).
