Collision carcinoma of squamous cell carcinoma and small cell neuroendocrine carcinoma of the larynx: A case report and review of the literature

Table 1 A summary of 12 cases of collision carcinoma in the head and neck region

Ref.	Year	Sex/age	Presentation	Location	Histology	Biopsy result	Treatment	Follow-up
Sirikanjanapong et al[1]	2010	M/53	Hoarseness	Larynx	Melanoma/SCC	Melanoma	Surgery + RT	Alive
Medina-Banegas et al[16]	2003	M/45	Dyspnea	Larynx	CHS/epidermoidcarcinoma	CHS	Surgery	Alive
Karasmanis et al[17]	2013	M/53	None	Larynx	ACC/AC	ACC/AC	RT	NA
Udompatanakorn et al[18]	2018	M/59	A painful mass	Soft Palate	NEC/SCC	SCC	Surgery	Alive
Franchi et al[19]	2013	M/75	Acute ischemic stroke	Maxillary Sinus	NEC/SCC	SCC	Surgery + RT	Alive
Huang et al[20]	2010	F/52	Left cheek swelling and purulent mucoid nasal discharge	Maxillary Sinus	ASC/NEC	NEC	Surgery + Chemotherapy	Dead
Du et al[21]	2015	M/63	Nasal obstruction and epistaxis	Nasopharynx	EMP/NPC	EMP/NPC	RT	Alive
Sadat Alavi et al[22]	2011	M/32	Anterior neck mass	Thyroid	MTC/PTC	PTC	Surgery + I131 + ST	Alive
Walvekar et al[23]	2006	F/65	Thyroid swelling	Thyroid	PTC/SCC	PTC	Surgery + I131	No follow-up
Warman et al[24]	2011	F/84	Right neck mass and dysphagia	Thyroid	SCC/PTC	none	Surgery + RT	dead
Plauche et al[2]	2012	F/62	A thyroid mass and shortness of breath	Thyroid	PTC/FTC	FTC	Surgery + I131	NA
Ryan et al[5]	2014	F/88	Inspiratory stridor and airway distress	Thyroid	PTC/SCC	none	Surgery + I131	NA

M: Male; F: Female; SCC: Squamous cell carcinoma; RT: Radiotherapy; CHS: Chondrosarcoma; NEC: neuroendocrine carcinoma; ASC: Adenosquamous carcinoma; EMP: Extramedullary plasmacytoma; NPC: Nasopharyngeal carcinoma; MTC: Medullary thyroid carcinoma; PTC: Papillary thyroid carcinoma; ST: Suppression therapy; FTC: Follicular thyroid carcinoma; NA: Not available.