Schwannoma of the Posterior Tibial Nerve Presenting as Tarsal Tunnel Syndrome: A Case Report with Emphasis on the Role of Microscope during Surgery

Table 1

Tabulation of similar studies on schwannomas mimicking tarsal tunnel syndrome and comparing the delay in diagnosis, investigations performed, procedures done, use of magnification, and the recurrence.

Study	Delay in diagnosis	Investigations done	Procedure done	Use of magnification	Recurrence
Ghaly [9]	10 years	CT scan USG nuclear scintigraphy	Excision	No	Nil
Milnes and Pavier [5]	6 years	MRI	Excision	No	Nil
Kim et al. [11]	Mean of 3.42 years	MRI USG	Excision	Yes (loupe)	Nil
Nawabi and Sinisi [4]	Mean of 7.20 years	MRI in 80%; NCV in 20%	Excision in all cases	No	Nil
Hallahan et al. [6]	Nil	MRI	Excision	No	Nil
Tladi et al. [7]	Mean of 12.5 years	MRI USG	Excision & neurolysis	No	Nil
Watanabe et al. [8]	2 years	MRI	Excision	No	Nil
Our case	1 and half year	MRI NCV	Excision	Yes (microscope)	Nil