Langerhans cell histiocytosis (bone)
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Tibial lesion in young child
Slides in the "Other sites" Category
Lymphomatoid granulomatosis, grade 3
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46 y/o female with a right adrenal mass. Patient also has lung nodules. No known immunodeficiency. Outside immunostains show that large cells are CD45+, CD30+.
Lymphomatoid granulomatosis, grade 3
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Clinical history
Male in his 70’s with Crohn’s dz, on azathioprin. Multiple pulmonary nodules. Small lymphs are CD3+. Out: HE, EBER, CD20, MUM1, PAX5
Images
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- CD20 – Absence of CD20 is unusual for this neoplasm
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- EBER
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- Mum-1
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- Pax5
Lymphomatoid granulomatosis, high grade
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Clinical history
Male in his 70’s with numerous PET-positive lung nodules
Immunohistochemistry
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- CD20 – The large cells are CD20+
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- EBER – The large cells are EBV+
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- Vascular destruction and necrosis
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- Vascular destruction and necrosis
