Bronchoscopic Diagnosis and Treatment of Primary Tracheobronchial Amyloidosis: A Retrospective Analysis from China

Table 4

Treatments and outcomes.

Feature		Outcomes
		Improvement	Exacerbation	Death
Means of bronchoscopic therapy ()		51	1	1
Nd-YAG laser	19/53
APC	18/53
Freezing	15/53
Drug spraying	12/53
Clamping	6/53
Resection	5/53
High-frequency electrotome cautery	4/53
Stent implantation	2/53
Microwaving	1/53
Bronchoscopy/other treatments ()		51	1	1
Bronchoscopic therapy alone	20/53
Combined with drug therapy	32/53
Combined with EBRT	1/53
Drug therapy alone ()	25/25	20	4	1
EBRT/other treatments ()		2	0	0
Combined with glucocorticoids	1/2
Combined with glucocorticoids + colchicine	1/2
Surgical resection ()	2/2	2	0	0
Clinical observation/symptomatic treatment ()	27/27	20	5	2
Follow-up ≥ 3 months	66/109	49	9	8

APC: argon plasma coagulation; EBRT: external beam radiation therapy.