Stress fractures in uncommon location: Six case reports and review of the literature

Table 1 An overview of all clinical cases

Case	Sex	Age	Activity1	Location of stress fracture	Laboratory examination	Imaging examination	Follow-up (mo)	Control imaging examination
1	F	42	Zumba workout (R)	Calcaneus	None	MRI	1.5	MRI after 1.5 mo
2	M	21	Handball (P)	Intermediate cuneiform bone	Level of 25-hydroxyvitamin D3	MRI, CT	2.5	CT after 1.5 mo CT after 2.5 mo
3	F	17	Tennis (P)	Sacral bone	None	MRI	-	-
4	F	18	Triathlon (P)	Bilateral tibia fracture	None	CT	5	CT after 5 mo
5	F	18	Running (P)	Navicular bone	None	X-ray, MRI	-	-
6	M	36	Triathlon (R)	Femoral neck	Level of 25-hydroxyvitamin D3	X-ray, CT, MRI	16.5	MRI after 5 wk MRI after 11 wk CT after 13 wk MRI after 16.5 mo

¹P: Professional; R: Recreational. MRI: Magnetic resonance imaging; CT: Computed tomography.