Acta cytologica · 2002
Cytodiagnosis of erythema nodosum leprosum. A case report.
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Anshu, Gangane Nitin, Vagha Sunita, Samal N
Аннотация
BACKGROUND: The application of cytology in leprosy has been restricted to the evaluation of morphologic and bacterial indices by slit skin smears to facilitate diagnosis of cases according to the Ridley-Jopling scale. Isolated reports have now documented the use of fine needle aspiration cytology (FNAC) in the diagnosis of leprosy.
CASE: A 45-year-old male presented with the abrupt onset of multiple nodular eruptions all over the body. The clinical diagnosis was Sweet's syndrome. FNAC showed numerous neutrophils in a background of foamy macrophages. Special stains revealed the presence of a large number of fragmented acid-fast bacilli in the smears. A diagnosis of erythema nodosum leprosum (ENL) was made on FNAC.
CONCLUSION: The presence of neutrophils in a characteristic milieu of foamy macrophages is seen in lesions of ENL. Such a picture should prompt the cytologist to use a modified Ziehl-Neelsen stain to demonstrate acid-fast bacilli, as ENL can present as an acute episode in patients without a previous diagnosis of leprosy.
CASE: A 45-year-old male presented with the abrupt onset of multiple nodular eruptions all over the body. The clinical diagnosis was Sweet's syndrome. FNAC showed numerous neutrophils in a background of foamy macrophages. Special stains revealed the presence of a large number of fragmented acid-fast bacilli in the smears. A diagnosis of erythema nodosum leprosum (ENL) was made on FNAC.
CONCLUSION: The presence of neutrophils in a characteristic milieu of foamy macrophages is seen in lesions of ENL. Such a picture should prompt the cytologist to use a modified Ziehl-Neelsen stain to demonstrate acid-fast bacilli, as ENL can present as an acute episode in patients without a previous diagnosis of leprosy.