Lacrimal gland extranodal marginal zone B-cell lymphoma in the presence of amyloidosis
Amyloidosis is a protein metabolism disorder characterised by extracellular deposition of insoluble amorphous hyaline material. Orbital and ocular amyloid lesions account for only 4% of localised disease affecting the head and neck. Ocular adnexal lymphoma accounts for 1-2% of lymphoma, with lacrimal gland lymphomas being relatively uncommon. The most common form affecting the orbit is extranodal marginal zone lymphoma (EMZL) of mucosa-associated lymphoid tissue (MALT lymphoma). We report an extremely rare case of co-existent EMZL and amyloidosis of the lacrimal gland. Initial biopsy of the right lacrimal gland confirmed an EMZL with amyloid deposit, and a course of radiotherapy treatment was given. Recurrent lacrimal gland swelling developed within a year. Subsequent biopsy identified amyloidosis with scanty lymphoid tissue. To our knowledge, this is the first reported case of localised lacrimal gland amyloidosis of uncertain type with previous EMZL; the association described in this case report is not yet fully understood.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2022 |
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| Erschienen: |
2022 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:41 |
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| Enthalten in: |
Orbit (Amsterdam, Netherlands) - 41(2022), 3 vom: 19. Juni, Seite 350-353 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Chean, Chung Shen [VerfasserIn] |
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| Links: |
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| Themen: |
‘amyloidosis’ |
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| Anmerkungen: |
Date Completed 17.05.2022 Date Revised 17.05.2022 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1080/01676830.2020.1852578 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM317803107 |
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| 520 | |a Amyloidosis is a protein metabolism disorder characterised by extracellular deposition of insoluble amorphous hyaline material. Orbital and ocular amyloid lesions account for only 4% of localised disease affecting the head and neck. Ocular adnexal lymphoma accounts for 1-2% of lymphoma, with lacrimal gland lymphomas being relatively uncommon. The most common form affecting the orbit is extranodal marginal zone lymphoma (EMZL) of mucosa-associated lymphoid tissue (MALT lymphoma). We report an extremely rare case of co-existent EMZL and amyloidosis of the lacrimal gland. Initial biopsy of the right lacrimal gland confirmed an EMZL with amyloid deposit, and a course of radiotherapy treatment was given. Recurrent lacrimal gland swelling developed within a year. Subsequent biopsy identified amyloidosis with scanty lymphoid tissue. To our knowledge, this is the first reported case of localised lacrimal gland amyloidosis of uncertain type with previous EMZL; the association described in this case report is not yet fully understood | ||
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