Chronic Inflammatory Arthropathy Preceding Acute Systemic Manifestations of Sarcoidosis: A Possible Overlap of Idiopathic Juvenile Arthritis and Sarcoidosis

Table 1

Laboratorial data follow-up.

	Six months before	At admission	3 months after stating treatment	Twelve months after starting treatment	Reference values
Blood
Hemoglobin (g/dL)	10.8	11.6	11	12.7	12–15
White blood cells (mm^3)	9040	11.600	13.900	10.750	4.000–12.000
Platelet (mm³)	262.000	50.000	193.000	289.000	150.000–400.000
Creatinine (mg/dL)	2.3	5.9	1.81	1.5	0.4–1.3
Urea (mg/dL)	60	149	110	40	15–45
Sodium (mEq/L)	141	144	143	140	135–145
Potassium (mEq/L)	3.7	3.39	4.7	4.9	3.9–5.0
Calcium (mg/dL)	—	17.4	9.8	9.9	8.8–11.0
Phosphorus (mg/dL)	—	6.6	3.4	3.3	2.5–4.8
Intact PTH (pg/mL)	—	13	—	85	12–72
25-OH-vitamin D (ng/mL)	—	12.1	11.7	19.7	30–100
1.25-OH-vitamin D (pg/mL)	—	—	9.5	—	15.2–90.1
Uric acid (mg/dL)	—	9	7.7	7.5	2.5–7.0
Albumin (g/dL)	—	4.1	4.0	—	3.5–5.2
Alkaline phosphatase (U/L)	198	316	—	100	40–129
Gama GT (U/L)	32	36	—	24	8–61
TGO/TGP (U/L)	13/19	12/13	—	22/34	10–50
Amylase (U/L)	328	142	—	65	28–100
Lipase (U/L)	546	115	—	19	15–60
C-reactive protein (mg/L)	—	47	0.6	—	<5
Rheumatoid factor (UI/mL)	—	43	—	<20	<20
ACPAs (U/mL)	—	9.9	—	—	<20
Antinuclear antibodies	—	Negative	—	—	Negative
Urine
Spot
pH	6	6.5	—	5	4.5–8
Density	1.015	1.010	—	1.013	1.005–1.035
Proteinuria	+	+	—	Negative	Negative
Red blood cells (/hpf)	18	30	—	1	<5
Leukocyturia (/hpf)	25	7	—	1	<5
Crystals	Calcium oxalate +	Calcium oxalate +++	—	Negative	Negative
Casts	Granular ++	Granular + leucocyte+	—	Negative	Negative
24 hour
Urinary volume (mL)		4,500		3,200	<3,000
Albuminuria (mg/24 h)	—	863	—	60	<30
Proteinuria (mg/24 h)	—	2.330	—	200	<150
Calcium (mg/24 h)	—	373	—	33	100–300
Osmolarity (mOsm/L)	—	220	—	—	50–1200