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A detailed study of the nose was undertaken in 40 leprosy patients with different classifications of leprosy and different durations of disease at two hospitals in Brazil. This manuscript describes the immunohistochemical data on cellular infiltrates in the nasal biopsies of those patients. It was surprising that the damage to the whole depth of the nasal mucosa, epithelium and lamina propria was considerable, as was the case in the nasal mucosa which looked relatively normal during clinical inspection. The epithelium showed large holes which looked like very extended goblet cells. Very obvious was the lack of vasoconstriction after cocaine application, and the vessels also showed a lack of staining with factor VIII, possibly indicating a disruption of the endothelium. The number of neurofilaments was extensively reduced in all leprosy groups compared to normal controls. As in the skin, an increased number of CD68+ cells was found in the lamina propria of the nasal mucosa of the lepromatous patients. Contrary to findings in the skin, in the nasal mucosa of the borderline/lepromatous patients the number of CD4+ cells was increased and the number of CD8+ cells was decreased compared to normal controls. The number of CD8+ cells tended to be more reduced when the history of leprosy was longer. It is not clear as yet whether the reduced numbers of CD8+ cells are acquired during infection or whether persons with a low number of CD8+ cells in the nose might have a higher risk of acquiring leprosy.
W J Fokkens, and
G J Nolst Trenite, and
M Virmond, and
A KleinJan, and
V L Andrade, and
N G van Baar, and
B Naafs
July 1986,
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W J Fokkens, and
G J Nolst Trenite, and
M Virmond, and
A KleinJan, and
V L Andrade, and
N G van Baar, and
B Naafs
January 1986,
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W J Fokkens, and
G J Nolst Trenite, and
M Virmond, and
A KleinJan, and
V L Andrade, and
N G van Baar, and
B Naafs
June 2009,
Otolaryngologic clinics of North America,
W J Fokkens, and
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M Virmond, and
A KleinJan, and
V L Andrade, and
N G van Baar, and
B Naafs
March 1969,
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W J Fokkens, and
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B Naafs
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W J Fokkens, and
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N G van Baar, and
B Naafs
January 1953,
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W J Fokkens, and
G J Nolst Trenite, and
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N G van Baar, and
B Naafs
December 1998,
Leprosy review,
W J Fokkens, and
G J Nolst Trenite, and
M Virmond, and
A KleinJan, and
V L Andrade, and
N G van Baar, and
B Naafs
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W J Fokkens, and
G J Nolst Trenite, and
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B Naafs
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