<prompt> Parakeratosis most frequently occurs in which of the following?Actinic keratosisSeborrheic keratosisMolluscum contagiosumBasal cell carcinoma  <response>: Parakeratosis - retention of nucleus in stratum corneum Parakeratosis is seen in - PEAS2 - Psoriasis- Eczema- Actinic keratosis- Seborrheic dermatitis- Squamous cell carcinoma Seborrheic keratosisIt is benign, presents with keratotic papules with stuck on appearance and these lesions suggest underlying malignancy like gastric adenocarcinoma.Also ka Leser-Trelet sign Actinic keratosis It is premalignant condition, keratotic papules seen over sun exposed areas 