Table 3.

Neck mass findings.

ID	Symptoms	Misdiagnosed diseases	pathogenic bacteria	Diagnostic methods	Histophathological results	Onset-to-diagnosis time	Therapy	Clinical outcome	Follow-up duration (months)/ number of exacerbations	Clinical endpoint
P1	None	TB	M. fortuitum	Histopathology	Granulomatous inflammation	18 months	CLR, MXF, LNZ, IPM	Improved	63/7	Alive
P2	Redness, swelling, pain	TB	M. abscessus	NGS	Chronic granulomatous inflammation	9 months	AZM, AMK, MXF, CFX	Improved	33/0	Alive
P3	Swelling, pain	Cancer	M. abscessus	NGS	Inflammatory changes	1 month	AZM, AMK, MXF, CFX	Improved	20/2	Alive
P4	Ulceration with purulent discharge, pain	Lymphadenitis	M. gordonae	NGS	Chronic granulomatous inflammation	4 months	AZM, EMB, AMK, MXF, RIF, CFX, LNZ, IPM	Improved	32/0	Alive
P5	None	Cancer	M. intracellulare	NGS	Chronic granulomatous inflammation	5 months	EMB, MXF, RIF, LNZ	Improved	28/0	Alive
P6	None	Cancer	M. colombiense	NGS	Chronic inflammation	2 months	AZM, AMK, LNZ, IPM	Death	40/2	Death
P7	Redness, swelling, pain	Lymphoma	TM	NGS, culture	ND	1 month	ITCZ	Improved	1/1	Alive
P8	None	TB	M. gordonae	NGS	Chronic granulomatous inflammation	12 months	AZM, EMB, MXF, RIF, CFX, LNZ, IPM	Improved	45/2	Alive
P9	None	Cancer	TM	Culture	Purulent inflammation	5 months	AMB, VRCZ, ITCZ	Improved	53/0	Alive
P10	Redness, swelling, pain	TB	TM	Culture	Purulent inflammation	19 months	AMB, VRCZ, ITCZ	Improved	18/0	Alive
P11	None	TB	TM	Culture	Chronic granulomatous inflammation	5 months	AMB, VRCZ, ITCZ	Improved	86/0	Alive
P12	Pain	Cancer	M. fortuitum	NGS	Granulomatous inflammation	10 months	CLR, AZM, MXF, IPM	Improved	19/1	Alive
P13	Pain	Lymphadenitis	M. abscessus	NGS	Chronic purulent inflammation	6 months	AZM, AMK, CFX	Improved	1/1	Alive

CLR, Clarithromycin; MXF, Moxifloxacin; LNZ, Linezolid; IPM, Imipenem; AZM, Azithromycin; AMK, Amikacin; CFX, Cefoxitin; EMB, Ethambutol; RIF, Rifampicin; AMB, AmphotericinB; VRCZ, Voriconazole; ITCZ, Itraconazole.