Pulmonary Venous Obstruction in Cancer Patients

Table 1

Characteristics and important laboratory and imaging findings of 222 cancer patients with pulmonary vein obstruction syndrome (PVOS).

Characteristics	Number of patients (%)
Age (years)
Median (range)	69 (27–93)
Sex
Male/female	139/83
Primary sites: number/total hospitalized number (%)
All patients	222/1117 (20)
Urinary tract	80/395 (20)
Lung	31/115 (27)
Colorectum	15/67 (22)
Breast	18/58 (31)
Pancreas	8/46 (17)
Stomach	7/38 (18)
Prostate	7/29 (24)
Others	56/369 (13)
Performance status: number/total number (%)
0-1	55/222 (25)
≥2	167/222 (75)
Associated with other thromboembolic complications: number/total number (%)
Yes	146/222 (66)
No	76/222 (34)
Associated with other paraneoplastic syndromes: number/total number (%)
Yes	101/222 (45)
No	121/222 (55)
Acute respiratory distress: number/total number
Aggravated by chemotherapy	28/222 (13)
Aggravated by medical/surgical procedure	21/222 (9)
Showed diurnal rhythm	32/222 (14)
D-dimer (ng/mL): number/total number (%)
≦1000	25/222 (11)
1001–3000	78/222 (35)
3001–5000	51/222 (23)
>5000	68/222 (31)
C-reactive protein (mg/L): number/total number
≦10	6/111 (5)
>11	105/111 (95)
Chest plain film: number/total number
Abnormal hilum shadow	222/222 (100)
By side
Bilateral lung	175/222 (79)
Unilateral lung	47/222 (21)
By location
Upper lung + lower lung	186/222 (84)
Upper lung only	19/222 (9)
Lower lung only	17/222 (8)
Pulmonary edema	194/222 (87)
Pleural effusion	192/222 (86)
CT scan: number/total number
Pulmonary veins thrombosis/tumor	222/222 (100)
Surrounding pulmonary veins by tumor/atelectasis/consolidation	140/222 (63)
By side
Bilateral lung	204/222 (92)
Unilateral lung	18/222 (8)
By location
Both superior and inferior pulmonary vein	203/222 (91)
Superior pulmonary vein only	11/222 (5)
Inferior pulmonary vein only	8/222 (4)
Pulmonary artery emboli	70/222 (32)
Pleural effusion	155/222 (70)