Concurrent chronic follicular conjunctivitis and conjunctival MALT lymphoma potentially caused by Chlamydia pneumoniae

Chlamydia, particularly C. psittaci, has been implicated in the pathogenesis of ocular adnexal lymphoma with varying geographical prevalence. We report a patient with concurrent chronic follicular conjunctivitis and conjunctiva mucosa-associated lymphoid tissue (MALT) lymphoma, potentially caused by...

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Published inIDCases Vol. 40; p. e02251
Main Authors Chen, Yueh-Ling, Jung, Shih-Ming, Hsiao, Ching-Hsi
Format Journal Article
LanguageEnglish
Published Netherlands Elsevier Ltd 2025
Elsevier
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ISSN2214-2509
2214-2509
DOI10.1016/j.idcr.2025.e02251

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Abstract Chlamydia, particularly C. psittaci, has been implicated in the pathogenesis of ocular adnexal lymphoma with varying geographical prevalence. We report a patient with concurrent chronic follicular conjunctivitis and conjunctiva mucosa-associated lymphoid tissue (MALT) lymphoma, potentially caused by C. pneumoniae. A 30-year-old female presented with a 10-month history of persistent discharge from the left eye. Examination of the conjunctiva revealed large follicles and a salmon-patched lesion over inferior fornix. Chlamydial antigen testing from conjunctival swab was positive, so the patient underwent a 3-week course of oral doxycycline (100 mg, twice daily), after which the discharge resolved, but the conjunctival mass persisted. A subsequent conjunctival biopsy identified extranodal marginal zone lymphoma of MALT type. Following systemic evaluations, clinical staging indicated T1N0M0, stage IE. The patient received a total 3060 cGy of radiotherapy in 17 fractions, leading to regression of the lesion. Touchdown Enzyme Time-Release polymerase chain reaction analysis of formalin-fixed paraffin-embedded biopsy samples confirmed the presence of C. pneumoniae DNA. This case highlights a potential association between chronic follicular conjunctivitis and conjunctival MALT lymphoma, possibly linked to C. pneumoniae infection. The potential causality warrants further investigation.
AbstractList Chlamydia, particularly C. psittaci, has been implicated in the pathogenesis of ocular adnexal lymphoma with varying geographical prevalence. We report a patient with concurrent chronic follicular conjunctivitis and conjunctiva mucosa-associated lymphoid tissue (MALT) lymphoma, potentially caused by C. pneumoniae. A 30-year-old female presented with a 10-month history of persistent discharge from the left eye. Examination of the conjunctiva revealed large follicles and a salmon-patched lesion over inferior fornix. Chlamydial antigen testing from conjunctival swab was positive, so the patient underwent a 3-week course of oral doxycycline (100 mg, twice daily), after which the discharge resolved, but the conjunctival mass persisted. A subsequent conjunctival biopsy identified extranodal marginal zone lymphoma of MALT type. Following systemic evaluations, clinical staging indicated T1N0M0, stage IE. The patient received a total 3060 cGy of radiotherapy in 17 fractions, leading to regression of the lesion. Touchdown Enzyme Time-Release polymerase chain reaction analysis of formalin-fixed paraffin-embedded biopsy samples confirmed the presence of C. pneumoniae DNA. This case highlights a potential association between chronic follicular conjunctivitis and conjunctival MALT lymphoma, possibly linked to C. pneumoniae infection. The potential causality warrants further investigation.Chlamydia, particularly C. psittaci, has been implicated in the pathogenesis of ocular adnexal lymphoma with varying geographical prevalence. We report a patient with concurrent chronic follicular conjunctivitis and conjunctiva mucosa-associated lymphoid tissue (MALT) lymphoma, potentially caused by C. pneumoniae. A 30-year-old female presented with a 10-month history of persistent discharge from the left eye. Examination of the conjunctiva revealed large follicles and a salmon-patched lesion over inferior fornix. Chlamydial antigen testing from conjunctival swab was positive, so the patient underwent a 3-week course of oral doxycycline (100 mg, twice daily), after which the discharge resolved, but the conjunctival mass persisted. A subsequent conjunctival biopsy identified extranodal marginal zone lymphoma of MALT type. Following systemic evaluations, clinical staging indicated T1N0M0, stage IE. The patient received a total 3060 cGy of radiotherapy in 17 fractions, leading to regression of the lesion. Touchdown Enzyme Time-Release polymerase chain reaction analysis of formalin-fixed paraffin-embedded biopsy samples confirmed the presence of C. pneumoniae DNA. This case highlights a potential association between chronic follicular conjunctivitis and conjunctival MALT lymphoma, possibly linked to C. pneumoniae infection. The potential causality warrants further investigation.
Chlamydia, particularly C. psittaci, has been implicated in the pathogenesis of ocular adnexal lymphoma with varying geographical prevalence. We report a patient with concurrent chronic follicular conjunctivitis and conjunctiva mucosa-associated lymphoid tissue (MALT) lymphoma, potentially caused by C. pneumoniae. A 30-year-old female presented with a 10-month history of persistent discharge from the left eye. Examination of the conjunctiva revealed large follicles and a salmon-patched lesion over inferior fornix. Chlamydial antigen testing from conjunctival swab was positive, so the patient underwent a 3-week course of oral doxycycline (100 mg, twice daily), after which the discharge resolved, but the conjunctival mass persisted. A subsequent conjunctival biopsy identified extranodal marginal zone lymphoma of MALT type. Following systemic evaluations, clinical staging indicated T1N0M0, stage IE. The patient received a total 3060 cGy of radiotherapy in 17 fractions, leading to regression of the lesion. Touchdown Enzyme Time-Release polymerase chain reaction analysis of formalin-fixed paraffin-embedded biopsy samples confirmed the presence of C. pneumoniae DNA. This case highlights a potential association between chronic follicular conjunctivitis and conjunctival MALT lymphoma, possibly linked to C. pneumoniae infection. The potential causality warrants further investigation.
, particularly , has been implicated in the pathogenesis of ocular adnexal lymphoma with varying geographical prevalence. We report a patient with concurrent chronic follicular conjunctivitis and conjunctiva mucosa-associated lymphoid tissue (MALT) lymphoma, potentially caused by A 30-year-old female presented with a 10-month history of persistent discharge from the left eye. Examination of the conjunctiva revealed large follicles and a salmon-patched lesion over inferior fornix. Chlamydial antigen testing from conjunctival swab was positive, so the patient underwent a 3-week course of oral doxycycline (100 mg, twice daily), after which the discharge resolved, but the conjunctival mass persisted. A subsequent conjunctival biopsy identified extranodal marginal zone lymphoma of MALT type. Following systemic evaluations, clinical staging indicated T1N0M0, stage IE. The patient received a total 3060 cGy of radiotherapy in 17 fractions, leading to regression of the lesion. Touchdown Enzyme Time-Release polymerase chain reaction analysis of formalin-fixed paraffin-embedded biopsy samples confirmed the presence of DNA. This case highlights a potential association between chronic follicular conjunctivitis and conjunctival MALT lymphoma, possibly linked to infection. The potential causality warrants further investigation.
ArticleNumber e02251
Author Hsiao, Ching-Hsi
Jung, Shih-Ming
Chen, Yueh-Ling
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10.1200/JCO.2005.07.083
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Keywords Chlamydia
Follicular conjunctivitis
Mucosa-associated lymphoid tissue (MALT) lymphoma
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Snippet Chlamydia, particularly C. psittaci, has been implicated in the pathogenesis of ocular adnexal lymphoma with varying geographical prevalence. We report a...
, particularly , has been implicated in the pathogenesis of ocular adnexal lymphoma with varying geographical prevalence. We report a patient with concurrent...
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Follicular conjunctivitis
Mucosa-associated lymphoid tissue (MALT) lymphoma
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Title Concurrent chronic follicular conjunctivitis and conjunctival MALT lymphoma potentially caused by Chlamydia pneumoniae
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