Post-streptococcal acute glomerulonephritis complicated by gouty arthritis: a case report. 2015

Yasutaka Kuniyoshi, and Azusa Kamura, and Sumie Yasuda, and Makoto Tashiro
Department of Pediatrics, Tsugaruhoken Medical CO-OP Kensei Hospital, 2-2-1 Noda, Hirosaki, Aomori, 036-8511, Japan. yasutakakuniyoshi@yahoo.co.jp.

Gouty arthritis is uncommon in childhood and adolescence. On the other hand, there has been no report of cases with development of gouty arthritis with post-streptococcal acute glomerulonephritis (PSAGN) in pediatric patients. Here we report the case of a mildly obese 12-year-old boy with PSAGN complicated by gouty arthritis of the left first metatarsophalangeal joint. On follow-up, it was confirmed that as serum C3 level returned to normal, urinary excretion of uric acid increased and serum uric acid level decreased, thereby resolving the burning pain of the left big toe. In this case, not only did renal insufficiency associate with PSAGN but also mild obesity may have led to hyperuricemia and gouty arthritis. In conclusion, clinicians should be aware that PSAGN may be complicated by gouty arthritis in obese pediatric patients.

UI MeSH Term Description Entries
D008297 Male Males
D008683 Metatarsophalangeal Joint The articulation between a metatarsal bone (METATARSAL BONES) and a phalanx. Joint, Metatarsophalangeal,Joints, Metatarsophalangeal,Metatarsophalangeal Joints
D009765 Obesity A status with BODY WEIGHT that is grossly above the recommended standards, usually due to accumulation of excess FATS in the body. The standards may vary with age, sex, genetic or cultural background. In the BODY MASS INDEX, a BMI greater than 30.0 kg/m2 is considered obese, and a BMI greater than 40.0 kg/m2 is considered morbidly obese (MORBID OBESITY).
D010612 Pharyngitis Inflammation of the throat (PHARYNX). Sore Throat,Pharyngitides,Sore Throats,Throat, Sore
D002648 Child A person 6 to 12 years of age. An individual 2 to 5 years old is CHILD, PRESCHOOL. Children
D003176 Complement C3 A glycoprotein that is central in both the classical and the alternative pathway of COMPLEMENT ACTIVATION. C3 can be cleaved into COMPLEMENT C3A and COMPLEMENT C3B, spontaneously at low level or by C3 CONVERTASE at high level. The smaller fragment C3a is an ANAPHYLATOXIN and mediator of local inflammatory process. The larger fragment C3b binds with C3 convertase to form C5 convertase. C3 Complement,C3 Precursor,Complement 3,Complement C3 Precursor,Complement Component 3,Precursor-Complement 3,Pro-C3,Pro-Complement 3,C3 Precursor, Complement,C3, Complement,Complement, C3,Component 3, Complement,Precursor Complement 3,Precursor, C3,Precursor, Complement C3,Pro C3,Pro Complement 3
D005921 Glomerulonephritis Inflammation of the renal glomeruli (KIDNEY GLOMERULUS) that can be classified by the type of glomerular injuries including antibody deposition, complement activation, cellular proliferation, and glomerulosclerosis. These structural and functional abnormalities usually lead to HEMATURIA; PROTEINURIA; HYPERTENSION; and RENAL INSUFFICIENCY. Bright Disease,Kidney Scarring,Glomerulonephritides,Scarring, Kidney
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000208 Acute Disease Disease having a short and relatively severe course. Acute Diseases,Disease, Acute,Diseases, Acute
D013289 Streptococcaceae A family of gram-positive non-sporing bacteria including many parasitic, pathogenic, and saprophytic forms. Gaffkya homari

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