Erythema nodosum (red lumps on the shins).Bacillary hepatitis and splenitis (infection of the liver and spleen).Bacillary angiomatosis (infection of the blood vessels).Parinaud's oculoglandular syndrome (POS), characterised by an inflamed lump in the eye and swollen lymph glands in front of the nearby ear.Less common problems occur in about 10% of patients. On questioning, patients often recall being licked, bitten or scratched by a cat in the previous one to eight weeks.Ībout 50% of patients will experience additional signs and symptoms including: The lymph glands may swell to 10-12 cm in the first two weeks of the disease. This is known as regional lymphadenopathy. The nearest lymph glands then become swollen and tender, most often those on the head, neck and armpit. Most are found on the hands, arms, face or neck as people often hold kittens close to their chest and face. This usually heals without scarring in several days or months. This changes into a fluid-filled blister that later forms a crusty sore. What are the clinical features of catscratch disease?Ī small red raised spot develops at the site of contact with an infected cat's saliva. 80% of patients with catscratch disease are less than 21 years old.
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