Presentation
Newly developed mildly painful hard lump over the palmar aspect of the right index finger. The patient vaguely recalls a puncture injury caused by a cactus spine several years earlier.
Patient Data
Age: 50 years
Gender: Female
From the case:
Foreign body granuloma (cactus spine)
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X-ray unremarkable.
From the case:
Foreign body granuloma (cactus spine)
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A 6 x 5 x 3 mm moderately hyperechoic nodular lesion is visible adjacent to the flexor tendon sheath. It is surrounded by a thin hypoechoic halo. No increased vascularity noted.
Case Discussion
Organic foreign bodies such as those made of plant material often lead to formation of foreign body granulomas. In this case only a thin hypoechoic halo around the echogenic focus hints at the presence of granulation tissue.
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