PMC7737543_01
Clinical and pathological manifestations in the patient. (A) Scaly erythema was seen on the trunk and extremities. (B) Focal hyperkeratosis with hypokeratosis was observed in the epidermis, along with Munro's microabscess. In the dermis, a sparse superficial perivascular infiltration of lymphocytes, mononuclear cells, neutrophils, and eosinophils was seen. Dilated, tortuous capillaries were found. Hematoxylin and eosin staining; magnification, 100x.
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The patient had a 10-year history of psoriasis vulgaris, and his clinicopathological manifestations were consistent with psoriasis (Figure 1).
Record of the body temperature (blue) and heart rate (red) of the patient. From day 3 to day 10 after his admission, the patient had an intermittent fever from 18:00 to 22:00 every day, during which time, there was no obvious fluctuation in the heart rate.
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Intermittent fever persisted for the next 7 days (Figure 2).