Inflammatory skin disorders

Current Diagnostic Pathology (2002) 8,128 ^129

c 2002 Elsevier Science Ltd doi:10.1054/cdip.2001.0100, available online at http://www.idealibrary.com on

SELF-ASSESSMENT

In£ammatory skin disorders QUESTIONS Question 1 A 23-year-old female presented with a super¢cial scaly rash on the inner thighs and buttocks. It was annular and studded with pustules at the edges. A biopsy was taken (Fig. 1). What is the histological pattern? What are the di¡erential diagnoses and how would you establish the precise diagnosis?

Figure 2

Figure 1

Question 2 A 32-year-old man presented with scalp problems for 8 years. Clinically, he was felt to have scarring alopecia with erythema and scaling around hair follicles. A scalp biopsy was performed (Figs 2^ 4). What are the causes of scarring alopecia? What is the diagnosis?

Figure 3

Figure 4

SELF-ASSESSMENT

129

Question 3 A 50 -year-old female presented with annular lesions over the past 4 years. The lesions had a palpable edge and gradually spread outwards. An incisional biopsy was performed (Figs 5^7). What is the histological pattern? What is the diagnosis and what are the di¡erential diagnoses?

Figure 6

Figure 5

Figure 7