Article Figures & Data
Figures
- Figure 1
Pre- and postoperative lumbar magnetic resonance images (MRI). Preoperative imaging revealed a lobulated, well-defined lesion with a cystic appearance, measuring 5 × 5.4 × 5.5 cm, at the L3 to L4 level. Postoperative MRI showed complete resection with minimal fascia and paraspinal musculature transgression. (A) Preoperative axial T2-weighted image showed a hyperintense lesion. (B) Preoperative axial T1-weighted image showed a hypointense lesion. (C) Preoperative coronal T2-weighted image. (D) Preoperative sagittal T2-weighted image. (E) Preoperative sagittal T1-weighted image. (F) Postoperative axial T2-weighted image. (G) Postoperative axial T1-weighted image. (H) Postoperative coronal T2-weighted image. (I) Postoperative sagittal T2-weighted image. (J) Postoperative sagittal T1-weighted image.
- Figure 2
Histopathological findings. (A–D) Hematoxylin and eosin staining show a hypocellular lesion composed of spindle-shaped, monomorphic cells with a benign appearance, scant cytoplasm, and pale eosinophils. The nuclei are small and oval. These cells are embedded in an abundant stroma with myxoid characteristics, accompanied by a network of fine capillaries. Morphological findings were compatible with IM (magnification: A, 4×; B, 10×; C, 20×; and D, 40×). (E) Alcian blue stain is positive in the stroma. (F) Immunohistochemistry for CD34 shows focally positive cells with a proliferation index of 1%, as determined by Ki67 staining.
Tables
Reference Year Location Age, y Sex Presentation Outcome Ponce-Gómez 2025 L3–L4 66 F Intermittent lumbar pain with associated significant radiculopathy 2-y follow-up, asymptomatic, and no recurrence Hipólito-Reis9 2023 L3 64 F Lumbar pain radiates to the anterior aspect of the right thigh accompanied by numbness Asymptomatic Patel11 2022 C4–C5 77 F Incidental finding of a cervical mass 3-mo follow-up, asymptomatic, and no recurrence Patel11 2022 C5–C6 72 F 5-wk history of left-sided shoulder pain radiating to the neck and upper arm in a C5 distribution, reduced manual dexterity as well paresthesia in all 4 extremities, and loss of balance 3-mo follow-up, asymptomatic, and no recurrence Al Awadhi10 2021 L4–S2 76 F Paravertebral lumbar pain, intermittent L5 radicular pain, and distal L5 paresthesia Asymptomatic and no recurrence Kwon8 2016 L1 39 F Severe lower back pain Asymptomatic Choi5 2015 L4–L5 65 F Lower back pain for 3 mo without radiating leg pain Asymptomatic Tataryn12 2015 C3–C4 57 F Posterior neck pain with a lump - Manoharan13 2015 C4–C5 63 F Posterior neck pain with radicular arm pain 1.5 y follow-up Rachidi7 2014 C 45 M Painless posterior cervical mass 30-mo follow-up, asymptomatic, and no recurrence Ohla14 2013 L5–S1 57 F Complaints of vague pelvic discomfort 3.6-y follow-up Rashid15 2011 L2–S3 70 F Back pain and a mass in right paravertebral region 12-mo follow-up Stinchcombe16 2010 L2–S1 80 F Lower back pain for 4 months and weight loss - Stinchcombe16 2010 L2–S1 80 F Lower back pain - Taggarshe17 2010 T 52 F Intermittent back pain 3-mo follow-up Falavigna1 2009 C2–C4 64 F Occipital and neck pain over 5 y 1-y follow-up, asymptomatic, and no recurrence Ishoo18 2007 C 22 F 6-mo history of a progressively enlarging posterior neck mass, with decreased cervical mobility 2-y follow-up, asymptomatic, and no recurrence Crankson19 2002 C 5 F Progressively enlarging neck mass over 7 mo 1-y follow-up, asymptomatic, and no recurrence Guppy20 2001 L5–S1 80 F Lower back pain for more than 20 y with radiation down the left thigh, leg, and great toe 3-mo follow-up, asymptomatic, and no recurrence Liguoro21 1999 L5 63 F Lower back pain and sciatica 2 y follow-up Kamoun22 1997 L5–S1 54 F Lower back pain and sciatica 3 y follow-up Shugar23 1987 C5–T1 68 F Asymptomatic 12 mo follow-up Bell24 1983 L3–L4 60 M Clumsiness of the lower extremities and calf pain precipitated by walking 10 mo follow-up, asymptomatic, and no recurrence Tahmouresie25 1981 T11–T12 50 M Severe back pain and progressive gait disturbance - Feldman26 1979 C 62 F - - Abbreviations: F, female; M, male.
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