Which bullous disease is characterized by 'festooning' of the dermal papillae into the blister cavity?
Show answer and explanation
Correct answer: Porphyria cutanea tarda
Festooning refers to the preservation of the jagged shape of the dermal papillae at the base of a subepidermal blister. It is classic for Porphyria cutanea tarda due to the rigidity of the dermal vessels.
Keep practicing
More Bullous Diseases questions
- Hailey-Hailey disease (Familial Benign Pemphigus) is caused by a defect in which of the following?
- Which bullous disease is often associated with an underlying thymoma or Myasthenia Gravis?
- A 30-year-old pregnant woman in her third trimester develops extremely pruritic bullae starting at the umbilicus. What is the most likely d…
- Epidermolysis Bullosa Simplex is primarily caused by mutations in which genes?
- Which of the following conditions presents with 'Nikolsky sign' positivity?
- In Epidermolysis Bullosa Acquisita (EBA), the autoantibodies are directed against: