(A) Edematous patches, grey patches and necrosis (white arrows) on the right hand of a 52-year-old man, caused by contact with hydrofluoric acid. (B) Histopathology of a skin lesion showing poorly ...

In Patient 2, Sweet's syndrome was manifested as a lesion in the left preauricular area (Panel B) and in bilateral intramuscular liquefactive necrosis and abscess formation in the lower legs with ...

Contact with it can cause "severe burns to the eyes, skin, digestive system or lungs, ... "By contrast, alkali typically produces a more severe injury known as liquefactive necrosis.