case_images: PMC8138254_01
case_images: Grade 3 tonsillar enlargements with ulcerated pus-filled lesions on both tonsils on hospital day 3 in a Treponema pallidum-infected woman with Sweet syndrome.
case_images: cde-0013-0216-g01.jpg
case_images: PMC8138254_01_cde-0013-0216-g01.jpg
case_images: F1
case_images: Physical examination findings were notable for a temperature of 37.9 C, bilateral cervical lymphadenopathy, grade 3 tonsillar enlargements with ulcerated pus-filled lesions on the right tonsil (Fig. 1), and multiple pseudovesicular, mammillated, edematous plaques on her neck, face, and extremities (Fig. 2).
case_images: Histopathology showing neutrophil-rich upper dermal infiltrate.
case_images: cde-0013-0216-g03.jpg
case_images: PMC8138254_01_cde-0013-0216-g03.jpg
case_images: F3
case_images: A skin biopsy specimen demonstrated a neutrophil-rich and acanthotic epidermis; a diffuse cellular infiltration of the upper dermis with a nodular tendency consisted of centrally located neutrophils, showing leukocytoclasia with admixed histiocytes and lymphocytes, plasma cells and eosinophils were absent; endothelial cell swelling and proliferation was noted but without extravasated red cells, fibrinoid necrosis of vessels, or microthrombi (Fig. 3).