Asymptomatic Essential Thrombocytosis Presenting with Extrahepatic Portal Vein Thrombosis: A Case Report

28 September 2023 : Case report Japan

Unusual clinical course, Challenging differential diagnosis, Educational Purpose (only if useful for a systematic review or synthesis)

Yoshikazu Yakami^1ABCDEFG*, Toshihiko Yagyu^2ABCDEFG, Tomoki Bando^2ABCDEFG, Masakazu Hanada^2ABCDEFG

DOI: 10.12659/AJCR.938547

Am J Case Rep 2023; 24:e938547

Table 1. Blood test results at initial visit.

	Data	Normal range		Data	Normal range
WBC	6400/μL	3600~9000	TP	7.2 g/dL	6.5~8.3	HBs-Ag	(–)
RBC	419×10/μL	370~500×10	Alb	4.2 g/dL	3.8~5.2	HBs-Ab	(–)
Hb	8.9 g/dL	11.3~15.2	AST	39 U/L	10~40	HCV-Ab	(–)
Ht	29.3%	34~45	ALT	33 U/L	5~45
PLT	416×10/L	130~369	ALP	330 U/L	110~340	Anti-nuclear antibody
Reticulocytes	17 ‰	5~19	LDH	248 U/L	107~230	Anti-cardiolipin antibody
MCV	69.8 fL	83~102	T-Bil	1.3 mg/dL	0~0.4
MCHC	30.40%	31.6~36.6	BUN	10.8 mg/dL	8~20
PT	15.5 sec	10.5~13.5	Cre	0.70 mg/dL	0.47~0.79
APTT	32.2 sec	24.3~36	CRP	0.10 mg/dL	0~0.3
Fibrinogen	283 mg/dL	150~400	Fe	23 μg/dL	40~175
D-dimer	1.30 μg/mL	0~0.99	Ferritin	3 ng/mL	4~87
Protein S	53%	65~135	TIBC	460 μg/dL	250~420
Protein C	66%	70~150
ATIII	79%	82~132
WBC – white blood cell; RBC – red blood cell; Hb – hemoglobin; Ht – hematocrit; PLT – platelet; MCV – mean corpuscular; MCHC – mean corpuscular hemoglobin concentration; PT – prothrombin time; APTT – activated partial thromboplastin time; D-dimer – decarboxylase dimer; AT III – antithrombin III, TP – total protein; Alb – albumin; AST – aspartate aminotransferase; ALT – alanine aminotransferase; ALP – alkaline phosphatase; LDH – lactate dehydrogenase; T-bil – total bilirubin; BUN – blood urea nitrogen; Cre – creatinine; CRP – C reactive protein; TIBC – total iron binding capacity; HBs-Ag – hepatitis B surface antigen; HBs-Ab – hepatitis B surface antibody; HCV-Ab – hepatitis C antibody.