a) Extensive induration of lower jaw
b) Multiple subcutaneous nodules
c) Discharging sinuses
d) Sulphur granules in the discharge
The correct answer is D. Sulphur granules in the discharge.
Actinomycosis commonly involves cervicofacial region. There is development of multiple abscess which drain through skin and the pus contains typical sulfur granules. Histologically, the colonies shows peripheral radiating filaments because of which Actinomycosis is also known as "Ray fungus".
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