A patient walking barefoot in morning walk has developed a swelling in the foot. Probable diagnosis is:
Correct Answer: Staphylococcus aureus
Description: Ans. (a) Staphylococcus aureus.* Note the presence of Abscess on foot with central raised area of whitish pus surrounded by erythema which in most probability is caused by Staphylococcus aureus.* Botryomycosis (bacterial pseudomycosis) is an uncommon chronic bacterial infection of skin caused by masses of colonizing bacteria. Staphylococcus aureus is the usual cause, but a wide range of gram negative organisms have also been isolated. It presents with multiple grape like fluctuant lesions.* In madura foot, the initial lesion is a small subcutaneous swelling following minor trauma. Later, sinuses that discharge purulent and seropurulent exudates containing grains which are fungal colonies are formed.Image source- style="font-family: Times New Roman, Times, serif">
Category:
Microbiology
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