Granulomatosis with polyangiitis presenting as an orbital inflammatory pseudotumor: a case report

Table 1 Blood and urine laboratory findings at the time of initial presentation

White blood cells	9200	/μL	Blood glucose	98	mg/dL
Red bood cells	410×10⁴	/μL	Hemoglobin A1c^a	6.8	%
Hemoglobin	12.3	g/dL	Thyroid stimulating hormone	0.32	μU/mL
Platelet	27.2×10⁴	/μL	Free thyroxine	1.11	ng/dL
Total protein	6.3	g/dL	MPO-ANCA	<10	EU
Albumin	3.3	g/dL	PR3-ANCA	<10	EU
Creatinine kinase	25	U/L	Immunoglobulin A	290	mg/dL
Total bilirubin	0.9	mg/dL	Immunoglobulin M	47	mg/dL
Aspartate aminotransferase	15	U/L	Immunoglobulin G	1245	mg/dL
Alanine aminotransferase	10	U/L	Immunoglobulin G4	13.3	mg/dL
Lactate dehydrogenase	177	U/L
γ-glutamyl transpeptidase	20	U/L	Urine protein	(−)
C-reactive protein	5.0	mg/dL	Urine blood	(−)
Sodium ion	138	mEq/L
Potassium ion	3.3	mEq/L
Chloride ion	99	mEq/L
Blood urea nitrogen	22.6	mg/dL
Serum creatinine	0.68	mg/dL

^aNational Glycohemoglobin Standardization Program. MPO-ANCA: myeloperoxidase antineutrophil cytoplasmic antibody; PR3-ANCA: antineutrophil cytoplasmic antibody against proteinase 3.

ISSN: 1752-1947