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Pseudolymphoma
Maltoma
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Collections
of apparently benign lymphocytes which lack the usual invasive
characteristics of true lymphoma
-
Lack
of invasion of extrapulmonary tissues in this disease
-
Mixed
cellular infiltration (as opposed to uniform cellular infiltration of true
lymphoma) with mature lymphocytes predominating
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Other
lesions characterized by the presence of mature lymphocytes
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LIP
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Castleman’s
disease–lymph node hyperplasia
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Lymphomatoid
granulomatosis
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Well-differentiated
lymphocytic lymphoma
-
Classically,
there is no involvement of the lymph nodes in the hilum or mediastinum
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May
be associated with Dilantin administration (as is true lymphoma and benign
lymph node hyperplasia)
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Asymptomatic
X-ray
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Dense
infiltrate
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Invariably
has air bronchogram
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May
also have nodules, segmental consolidation or diffuse interstitial
infiltration
WH/92
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