Pembrolizumab-induced Stevens-Johnson syndrome in advanced squamous cell carcinoma of the lung: A case report and review of literature

Figure 1 Multiple erythematous papules can be detected on the patient’s head, neck, chest and back (covering 30% of the total body skin).

Figure 2 The rash began to spread to almost all over the body (covering more than 45% of the total body skin).

Figure 3 Cutaneous toxicities continued to worsen, and extensive skin ulceration was observed.

Figure 4 After a week of treatment, the dermatologic toxicities were gradually alleviated. A: The itchiness of the patient was significantly relieved, large blisters and ulcers basically disappeared; B: The dermis began to recover gradually.

Figure 5 The patient recovered very well.