1.What is the initial lesion observed in lichen planus?
2.Which of the following is NOT an oral diagnostic characteristic of scleroderma?
3.Which condition is characterized by the presence of white radiating lines in its lesions?
4.Which condition is characterized by the presence of circulating antibodies targeting the intercellular adhesion molecules of stratified squamous epithelium?
5.In which condition are Wickham’s striae typically observed?
6.Which condition is characterized by lesions affecting the mouth, eyes, and genital areas?
7.In which of the following conditions are oral lesions typically absent?
8.Which of the following statements about lichen planus is true?
9.Which condition is characterized by the presence of intra-epithelial blisters?
10.Which of the following clinical features can be observed in ectodermal dysplasia?
11.For which of the following conditions is a fine needle aspiration biopsy commonly used to establish a diagnosis?
12.Which condition is characterized by the presence of target lesions?
13.A 60-year-old patient presents with extensive bullae, target-shaped lesions surrounded by erythema, and genital involvement. What is the most likely diagnosis?
14.Which condition does erosive lichen planus most closely resemble?
15.In which condition does immunofluorescence reveal a patchy pattern along the basement membrane?
16.In which of the following conditions is the immunofluorescence test typically positive?
17.A 40-year-old female presents with a burning sensation in her mouth. On examination, there are lesions characterized by radiating white streaks arranged in a reticular pattern involving the buccal mucosa, tongue, lips, and gingiva on both sides. An incisional biopsy confirms lichen planus. Which of the following is NOT a recognized clinical variant of lichen planus?
18.Which condition is characterized by intraepithelial vacuole formation leading to vesicles or bullae located above the basal cell layer?
19.What is the primary cause of lichenoid reactions?
20.In which condition is the L.E. cell phenomenon observed in peripheral blood?