Tracheal Squamous Cell Carcinoma Treated with Tracheal Resection and Anastomosis in a Cat

Table 2

Outcomes for feline tracheal masses treated with tracheal R&A.

Source	Diagnosis	# of rings or cm resected	Margins on histopathology	Additional therapy	Outcome
Schneider 1979	Histiocytic LSA	N/A	N/A	Chemo-therapy	Clinical remission at 8 months
Beaumont 1982	Lymphoblastic LSA	1.8 cm	N/A (palpable mass was 1.5 cm)	None	Systemic LSA, euthanized 4 months later. On necropsy, no neoplastic cells in the trachea.
Katayama et al. 2013	B cell LSA	10 rings	N/A	None	Iatrogenic bilateral laryngeal paralysis. Patient euthanized 13 days after surgery
Bataller et al. 2017	B cell LSA	7 rings	Incomplete	Chemo-therapy	CR at 20 months
Howard et al. 2017	LSA	4 rings	N/A	None	In CR at discharge then lost to follow-up.
Evers et al. 1994	ACA	3 rings	Incomplete	None	CR at 3 months before lost to follow-up
Queen et al. 2010	ACA	8 rings	Incomplete	Debulked with snare after regrowth	CR for 12 months before regrowth. Endoscopic snare debulking was performed. Euthanized 35 months after the initial diagnosis.
Queen et al. 2010	ACA	N/A	N/A	None	Euthanized 4 days postoperatively due to cardiac arrest twice postop.
Essman et al. 2002	Leiomyo-sarcoma	3 rings	Incomplete	None	CR for 3 months before dyspnea. Radiographs showed regrowth and the cat was euthanized.
Green et al. 2012	Basal cell carcinoma	4 rings	“Marginal”	None	CR 32 months postop.
Current report (Miller et al. 2020)	Squamous cell carcinoma	5 rings	Incomplete	None	CR 4 months postop.

Abbreviations: ACA: adenocarcinoma; CR: clinical remission; LSA: lymphosarcoma; N/A: not available.