Regional lymphadenopathy its causes of each site

•          II. Regional lymphadenopathy

1- Cervical Lymphadenopathy

*Viral upper respiratory infection

*Infectious mononucleosis

*Rubella                                 *Catscratch disease

*Streptococcal pharyngitis

*Acute bacterial lymphadenitis

*Toxoplasmosis                       *Tuberculosis

*atypical mycobacterial infection

*Acute leukemia                     *Lymphoma

*Neuroblastoma

*Rhabdomyosarcoma            *Kawasaki disease.

*Oral and dental infections    *Acute lymphadenitis

•         
Occipital

•          Pediculosis capitis

•          Tinea capitis

•          Secondary to local skin infection

•          Rubella

•          Preauricular

•          Local skin infection

•          Chronic ophthalmic infection

•          Catscratch disease

–       

D.            Mediastinal

Acute lymphoblastic leukemia

–        Lymphoma

–        Sarcoidosis

–        Cystic fibrosis

–        Tuberculosis

–        Histoplasmosis

–        Coccidioidomycosis

Supraclavicular
Lymphoma

*Tuberculosis

*Histoplasmosis

*Coccidioidomycosis


   Axillary

*Local infection

*Catscratch D.

*Brucellosis

*Reactions to

immunizations

*Lymphoma

*Juvenile RA

•          Abdominal

Acute mesenteric adenitis

•          Lymphoma

Inguinal

•          Local infection

•          Diaper dermatitis

•          Insect bites

•          Syphilis

•          Lymphogranuloma venereum