DDx
Diagnostic Considerations
These include the following:
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Strains
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Sprains
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Contusions
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Delayed-onset muscle soreness
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Tumors of bone, especially osteoid osteomas
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Shin splints (ie, medial tibial stress syndrome, tibial traction periostitis)
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Exertion-related compartment syndrome
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Referred pain from the spine
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Diskogenic low back pain
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Facet-mediated low back pain
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Morton neuroma
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Plantar fasciitis
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Subluxed cuboid
Pathological fracture due to malignant disease is an important differential diagnosis of stress fractures. Imaging can help differentiate malignant fractures. MRI has higher accuracy (93-98%) than computed tomography (CT) scanning (82-88%) or radiography (88-94%). [21]
Differential Diagnoses
Media Gallery
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This image is of a 17-year-old male wrestler with a 2-month history of left-sided low back pain, worse with extension. Total body scintigraphy findings were unremarkable. Courtesy of Michael Spieth, MD, and Nandita Bhattacharjee, MD, MHA; Marshfield Clinic Department of Radiology.
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Same patient as in the above image. Single-photon emission computed tomography (SPECT) images demonstrate abnormal delayed uptake in the posterior elements of L5. Courtesy of Michael Spieth, MD, and Nandita Bhattacharjee, MD, MHA; Marshfield Clinic Department of Radiology.
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Same patient as in the above 2 images. Subsequent MRI revealed an area of bright signal in the left pars interarticularis of L5 on T2-weighted images, confirming the diagnosis of acute unilateral spondylolysis. The patient was treated successfully with activity restriction and bracing with a lumbar corset for 3 months, at which point he was asymptomatic. Plain film imaging at follow-up (not shown) was unremarkable, with no evidence of spondylolysis on oblique views. Courtesy of Michael Spieth, MD, and Nandita Bhattacharjee, MD, MHA; Marshfield Clinic Department of Radiology.
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A 17-year-old female dancer with a 2-week history of left shin pain. Plain film imaging was unremarkable. Three-phase bone scanning demonstrated an area of linear uptake in the posterior medial aspect of the left tibia on blood pool images, but delayed images were considered normal. This scintigraphic pattern is consistent with medial tibial stress syndrome (shin splints), but not with stress fracture. Courtesy of Michael Spieth, MD, and Nandita Bhattacharjee, MD, MHA; Marshfield Clinic Department of Radiology.
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This is a 55-year-old female industrial worker with a 1-week history of right foot pain. Plain film imaging was unremarkable. Bone scanning revealed a stress fracture of the second metatarsal. Courtesy of Michael Spieth, MD, and Nandita Bhattacharjee, MD, MHA; Marshfield Clinic Department of Radiology.
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This image is of an 18-year-old female soccer player with a 3-week history of left leg pain, which was worse at night and with activity. Upon examination, she reported tenderness in response to palpation over the midtibia. Bilateral pes planus was noted. Plain film radiography failed to demonstrate a fracture. Bone scanning revealed a focal area of delayed uptake on the posterior medial aspect of the proximal third of the left tibia, confirming the diagnosis of stress fracture. Courtesy of Michael Spieth, MD, and Nandita Bhattacharjee, MD, MHA; Marshfield Clinic Department of Radiology.
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A 63-year-old man with metastatic thyroid carcinoma went for a walk and awoke the following morning with left hip girdle pain. Plain film imaging revealed a subtle area of linear cortical lucency at the proximal left femoral metadiaphysis, consistent with an insufficiency fracture through pathologic bone. The patient subsequently underwent internal fixation. Courtesy of Michael Spieth, MD, and Nandita Bhattacharjee, MD, MHA; Marshfield Clinic Department of Radiology.
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Enlarged view of the fracture shown in the above image. Plain film imaging revealed a subtle area of linear cortical lucency at the proximal left femoral metadiaphysis, consistent with an insufficiency fracture through pathologic bone. The patient subsequently underwent internal fixation. Courtesy of Michael Spieth, MD, and Nandita Bhattacharjee, MD, MHA; Marshfield Clinic Department of Radiology.
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This case involves a 16-year-old female basketball player with a 2-year history of left foot pain refractory to casting and reduced weight bearing. Bone scanning revealed a focal area of delayed uptake lateral to the left first metatarsal phalangeal joint, which corresponded to a bipartite sesamoid on plain films. Courtesy of Michael Spieth, MD, and Nandita Bhattacharjee, MD, MHA; Marshfield Clinic Department of Radiology.
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Sesamoid stress fractures are prone to nonunion, and sesamoidectomy is indicated for patients who do not respond to conservative management. Some clinicians recommend bone grafting as an alternative to complete or partial sesamoidectomy. Courtesy of Michael Spieth, MD, and Nandita Bhattacharjee, MD, MHA; Marshfield Clinic Department of Radiology.
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