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Dermatology

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Leprosy

Question
10 out of 28
 

Not a feature of lesion of leprosy:



A Flat and raised
B Hypopigmented

C Vesicle
D Erythematous

Ans. C
Vesicle

1). According to WHO the diagnosis of leprosy is most commonly based on the clinical signs and symptoms. These are easy to observe and elicit by any health worker after a short period of training. In an endemic country or area, an individual should be regarded as having leprosy if he or she shows one of the following cardinal signs:

a. Anaesthetic patch

b. Enlagement of nerve

c. Positive skin smears

2). The skin lesion can be single or multiple, usually less pigmented than the surrounding normal skin. Sometimes the lesion is reddish or copper-colored. A variety of skin lesions may be seen but macules (flat), papules (raised), or nodules are common.

3). Sensory loss is a typical feature of leprosy. The skin lesion may show loss of sensation to pin pick and/ or light touch. Thickened nerves, mainly peripheral nerve trunks constitute another feature of leprosy. A thickened nerve is often accompanied by other signs as a result of damage to the nerve.

4). These may be loss of sensation in the skin and weakness of muscles supplied by the affected nerve. In the absence of these signs, nerve thickening by itself, without sensory loss and/or muscle weakness is often not a reliable sign of leprosy.

5). Positive skin smears: In a small proportion of cases, rod-shaped, red-stained leprosy bacilli, which are diagnostic of the disease, may be seen in the smears taken from the affected skin when examined under a microscope after appropriate staining.

6). A person presenting with skin lesions or with symptoms suggestive of nerve damage, in which the cardinal signs are absent or doubtful should be called a 'suspect case' in the absence of any immediately obvious alternate diagnosis.

Leprosy Flashcard List

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