case_images: PMC6526994_01
case_images: Skin examination revealed multiple erythematous, tense bullae on the right knee.
case_images: NCI-6-81-g001.jpg
case_images: PMC6526994_01_NCI-6-81-g001.jpg
case_images: F1
case_images: Skin examination revealed multiple erythematous, tense bullae on the right knee (Fig. 1).
case_images: PMC6526994_02
case_images: On dermatological examination, there were erythematous, eroded bullous lesions with crusts and ulcerated areas with a diameter of 3-4 cm on the right leg.
case_images: NCI-6-81-g002.jpg
case_images: PMC6526994_02_NCI-6-81-g002.jpg
case_images: F2
case_images: On dermatological examination, there were erythematous, eroded bullous lesions with crusts and ulcerated areas with a diameter of 3-4 cm on the right leg (Fig. 2).
case_images: PMC6526994_03
case_images: Dermatological examination revealed multiple erythematous, tense bullae in both palms, on the extensor surface of the left hand and the extensor surface of the left foot.
case_images: NCI-6-81-g003.jpg
case_images: PMC6526994_03_NCI-6-81-g003.jpg
case_images: F3
case_images: Dermatological examination revealed multiple erythematous, tense bullae in both palms, on the extensor surface of the left hand, and the extensor surface of the left foot (Fig. 3).
case_images: Ranunculus arvensis.
case_images: NCI-6-81-g004.jpg
case_images: PMC6526994_03_NCI-6-81-g004.jpg
case_images: F4
case_images: The herb provided by the patient was confirmed as R. arvensis by the Botany Department (Fig. 4).