Malignant Skin Tumors — MCQs

Elderly man with a long-standing mole on his face that is increasing in size and showing an irregular border. Diagnosis:

A patient's skin biopsy shows a box-shaped or square-shaped pattern of inflammatory infiltrate, as shown in the image. What is the most likely diagnosis?

Pautrier's microabscess is a histological feature of which disease?

All of the following are premalignant conditions except which of the following?

A male patient presented with a 0.3 cm nodule on the left nasolabial fold. A pathological examination revealed a basaloid appearance with peripheral palisading. What is the most likely diagnosis?

A 50-year-old HIV-positive patient presents with a painless, purple lesion on the skin. What is the most likely diagnosis?

A 18-year-old boy presents with tenderness, warmth over the bone, and fever, ESR and CRP levels. The radiograph is shown below. What is the most likely diagnosis?

A 14 year old male presents with mushroom like tumor in the distal femur for past 2 years. Which of the following features suggest malignant transformation?

Which of the following statements about parotid tumors are correct? a) Pleomorphic adenoma is the most common variety b) Malignant disease is the most common variety c) Facial nerve involvement indicates malignancy d) Superficial parotidectomy is the treatment of choice

All of the following ovarian tumors usually occur bilaterally, except: