Lymphadenopathy: Difference between revisions

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== Differential Diagnosis ==
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==Differential Diagnosis==
   
* Neoplasm
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*Neoplasm
** Hematologic: lymphoma, leukemia
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**Hematologic: [[lymphoma]], [[leukemia]]
** Solid-tumour: squamous cell cancer of the head and neck
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**Solid tumour: [[squamous cell cancer]] of the head and neck
** Metastasis
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**[[Metastasis]]
* Infection
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*Infection
** Viral: HIV, EBV, HSV, CMV, mumps, measles, rubella, hepatitis B, dengue
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**Viral: [[HIV]], [[EBV]], [[HSV]], [[CMV]], [[mumps]], [[measles]], [[rubella]], [[hepatitis B]], [[dengue]]
** Bacterial
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**Bacterial
*** Regional: streptococcal pharyngitis, skin and soft tissue infections, tularemia, plague, cat scratch disease, diphtheria, chancroid, rat bite fever, Lyme disease
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***Regional: [[streptococcal pharyngitis]], [[skin and soft tissue infection]], [[tularemia]], [[plague]], [[cat scratch disease]], [[diphtheria]], [[chancroid]], [[rat bite fever]], [[Lyme disease]]
*** Generalized: brucellosis, leptospirosis, lymphogranuloma venereum, typhoid fever, secondary syphilis
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***Generalized: [[brucellosis]], [[leptospirosis]], [[lymphogranuloma venereum]], [[typhoid fever]], [[secondary syphilis]]
** Mycobacterial: tuberculosis, non-tuberculous mycobacteria
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**Mycobacterial: [[tuberculosis]], [[non-tuberculous mycobacteria]]
** Fungal: histoplasmosis, coccidiomycosis, cryptococcosis
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**Fungal: [[histoplasmosis]], [[coccidiomycosis]], [[cryptococcosis]]
** Parasitic: toxoplasmosis, leishmaniasis
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**Parasitic: [[toxoplasmosis]], [[leishmaniasis]]
* Non-neoplastic lymphoproliferative disorders
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*Non-neoplastic [[lymphoproliferative disorders]]
** Angioimmunoblastic lymphadenopathy with dysproteinemia
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**[[Angioimmunoblastic lymphadenopathy with dysproteinemia]]
** Autoimmune lymphoproliferative disease
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**[[Autoimmune lymphoproliferative disease]]
** Rosai-Dorfman disease
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**[[Rosai-Dorfman disease]]
** Hemophagocytic lymphohistiocytosis
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**[[Hemophagocytic lymphohistiocytosis]]
* Immune-mediated
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*Immune-mediated
** Serum sickness
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**[[Serum sickness]]
** Drug reactions: allopurinol, atenolol, captopril, carbamazepine, cephalosporins, ethosuximide, gold, hydralazine, imatinib, lamotrigine, penicillin, '''phenytoin''', primidone, pyrimethamine, quinidine, sulfonamides, sulindac
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**Drug reactions: [[allopurinol]], [[atenolol]], [[captopril]], [[carbamazepine]], [[cephalosporins]], [[ethosuximide]], [[gold]], [[hydralazine]], [[imatinib]], [[lamotrigine]], [[penicillin]], '''[[phenytoin]]''', [[primidone]], [[pyrimethamine]], [[quinidine]], [[sulfonamides]], [[sulindac]]
** IgG4-related disease
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**[[IgG4-related disease]]
* Endocrine and metabolism
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*Endocrine and metabolism
** Addison disease
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**[[Addison disease]]
** Lipid storage disease
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**[[Lipid storage disease]]
* Other
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*Other
** Sarcoidosis
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**[[Sarcoidosis]]
** Multicentric Castleman disease
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**[[Multicentric Castleman disease]]
** Amyloidosis
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**[[Amyloidosis]]
** Histiocytosis
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**[[Histiocytosis]]
** Chronic granulomatous disease
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**[[Chronic granulomatous disease]]
** Kikuchi disease
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**[[Kikuchi disease]]
** Kawasaki disease
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**[[Kawasaki disease]]
** Inflammatory pseudotumor
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**[[Inflammatory pseudotumor]]
** Systemic lupus erythematosus
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**[[Systemic lupus erythematosus]]
** Rheumatoid arthritis
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**[[Rheumatoid arthritis]]
** Still disease
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**[[Still disease]]
** Dermatomyositis
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**[[Dermatomyositis]]
** Eosinophilic granulomatosis with polyangiitis
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**[[Eosinophilic granulomatosis with polyangiitis]]
   
=== Causes by location ===
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===Differential by Location===
   
* '''Cervical:''' EBV, CMV, toxoplasmosis, tuberculosis or non-tuberculous mycobacteria (if more chronic with less tenderness), cat scratch disease, metastatic head-and-neck cancer
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*'''Cervical:''' [[EBV]], [[CMV]], [[toxoplasmosis]], [[tuberculosis]] or [[non-tuberculous mycobacteria]] (if more chronic with less tenderness), [[cat scratch disease]], metastatic head-and-neck cancer
* '''Preauricular:''' conjunctivitis, Parinaud oculoglandular syndrome (cat scratch disease)
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*'''Preauricular:''' [[conjunctivitis]], [[Parinaud oculoglandular syndrome]] ([[cat scratch disease]])
* '''Postauricular:''' parietotemporal scalp infection, rubella
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*'''Postauricular:''' [[parietotemporal scalp infection]], [[rubella]]
* '''Suboccipital:''' posterior scalp infection
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*'''Suboccipital:''' posterior scalp infection
* '''Supraclavicular:''' malignancy (especially intraabdominal malignancy)
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*'''Supraclavicular:''' [[malignancy]] (especially intraabdominal malignancy)
* '''Axillary:''' infections of the arm (including cat scratch disease), malignancy (including breast and metastasis), foreign body reaction to silicone breast implants
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*'''Axillary:''' infections of the arm (including [[cat scratch disease]]), [[malignancy]] (including breast and metastasis), foreign body reaction to silicone breast implants
* '''Epitrochlear:''' infections of the forearm or hand, lymphoma, sarcoidosis, tularemia, and secondary syphilis
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*'''Epitrochlear:''' infections of the forearm or hand, [[lymphoma]], [[sarcoidosis]], [[tularemia]], and [[secondary syphilis]]
* '''Inguinal:''' trauma, lower limb infections, STIs (chancroid, LGV, herpes, syphilis), malignancy (including skin on legs, cervix, vulva, skin on trunk, rectum/anus, ovary, penis)
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*'''Inguinal:''' trauma, lower limb infections, [[Sexually-transmitted infection|STIs]] ([[chancroid]], [[LGV]], [[Herpes simplex virus|herpes]], [[syphilis]]), [[malignancy]] (including skin on legs, cervix, vulva, skin on trunk, rectum/anus, ovary, penis)
* '''Generalized:'''
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*'''Generalized:'''
** '''More common:''' HIV, tuberculosis, mononucleosis, lupus, medications, sarcoidosis, lymphoma
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**'''More common:''' [[HIV]], [[tuberculosis]], [[mononucleosis]], [[lupus]], medications, [[sarcoidosis]], [[lymphoma]]
** '''Less common:''' Castleman disease,Kikuchi disease, Kawasaki disease, angioimmunoblastic T-cell lymphoma, inflammatory pseudotumour, amyloidosis, Kimura disease, progressive transformation of germinal centres, Fosai-Dorfman disease, IgG4-related disease
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**'''Less common:''' [[Castleman disease]], [[Kikuchi disease]], [[Kawasaki disease]], [[angioimmunoblastic T-cell lymphoma]], [[inflammatory pseudotumour]], [[amyloidosis]], [[Kimura disease]], progressive transformation of germinal centres, [[Fosai-Dorfman disease]], [[IgG4-related disease]]
   
=== Causes by risk factor ===
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===Causes by risk factor===
   
* '''Animal exposure'''
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*'''Animal exposure'''
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**'''Cat:''' [[cat-scratch disease]], [[toxoplasmosis]]
 
* '''Cat:''' cat-scratch disease, toxoplasmosis
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*'''Undercooked meat:''' [[toxoplasmosis]]
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*'''Tick bite:''' [[Lyme disease]], [[tularemia]]
** '''Undercooked meat:''' toxoplasmosis
 
** '''Tick bite:''' Lyme disease, tularemia
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*'''Tuberculosis:''' [[tuberculous adenitis]]
 
*'''Transfusion or transplant:''' [[CMV]], [[HIV]]
** '''Tuberculosis:''' tuberculous adenitis
 
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*'''High-risk sexual behaviour:''' [[HIV]], [[syphilis]], [[HSV]], [[CMV]], [[hepatitis B]]
** '''Transfusion or transplant:''' CMV, HIV
 
** '''High-risk sexual behaviour:''' HIV, syphilis, HSV, CMV, hepatitis B
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*'''Intravenous drug use:''' [[HIV]], [[endocarditis]], [[hepatitis B]]
 
*'''Occupational'''
** '''Intravenous drug use:''' HIV, endocarditis, hepatitis B
 
 
**'''Hunters and trappers:''' [[tularemia]]
 
 
**'''Fishermen and butchers:''' [[erysipeloid]]
* '''Occupational'''
 
 
*'''Travel-related'''
* '''Hunters and trappers:''' tularemia
 
 
**'''Arizona, southern California, New Mexico, and western Texas:''' [[coccidiomycosis]]
** '''Fishermen and butchers:''' erysipeloid
 
 
**'''Southwestern US:''' [[plague]]
* '''Travel-related'''
 
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**'''Southeastern or central US:''' [[histoplasmosis]]
* '''Arizona, southern California, New Mexico, and western Texas:''' coccidiomycosis
 
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**'''Southeast Asia, India, or northern Australia:''' [[scrub typhus]]
** '''Southwestern US:''' plague
 
** '''Southeastern or central US:''' histoplasmosis
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**'''Central or west Africa:''' African trypanosomiasis
** '''Southeast Asia, India, or northern Australia:''' scrub typhus
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**'''Central or South America:''' American trypanosomiasis
 
**'''East Africa, Mediterranean, China, or South/Central America:''' leishmaniasis
** '''Central or west Africa:''' African trypanosomiasis
 
 
**'''Mexico, Peru, Chile, India, Pakistan, Egypt, or Indonesia:''' typhoid fever
** '''Central or South America:''' American trypanosomiasis
 
** '''East Africa, Mediterranean, China, or South/Central America:''' leishmaniasis
 
** '''Mexico, Peru, Chile, India, Pakistan, Egypt, or Indonesia:''' typhoid fever
 
   
 
[[Category:Infectious diseases]]
 
[[Category:Infectious diseases]]

Revision as of 19:34, 15 November 2020

Differential Diagnosis

Differential by Location

Causes by risk factor