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Aneurysmal bone cyst: An unusual presentation of back pain.

Singh DK, Singh N, Pant MC - Asian J Neurosurg (2014)

Bottom Line: We describe the case of a 20-year-old Asian male who presented with backache and pain in right leg.Radiology was suggestive of an ABC involving the posterior elements of the lumbar vertebra.Excision was performed.

View Article: PubMed Central - PubMed

Affiliation: Department of Neurosurgery, Dr. RML Institute of Medical Sciences, Gomti nagar, Lucknow, India.

ABSTRACT
Aneurysmal bone cyst (ABC) is a rare benign tumor comprising 1.4% of all primary bone tumors. It commonly involves humerus, femur, tibia, and pelvic bones. Spinal involvement is rare. The pathological appearance of the lesion is one of the blown out distension with fluid filled cavities from which it gains the name aneurysmal bone cyst. The World Health Organization has defined it as an expanding lesion with blood filled cavities separated by septa of trabecular bone or fibrous tissue containing osteoclast giant cells. We describe the case of a 20-year-old Asian male who presented with backache and pain in right leg. Radiology was suggestive of an ABC involving the posterior elements of the lumbar vertebra. Excision was performed. We discuss this unusual case, reviewing the current literature on biological behavior and management of aneurysmal bone cyst.

No MeSH data available.


Related in: MedlinePlus

MRI spine showing well defined expansile mass lesion (arrow head) at L2 vertebra with bilateral laminar destruction and tecal sac compression (arrow). It displayed hypo intense signals on T1; (a and c) Hyper intense signals on T2 weighted images; (b and d) Multiple internal septations and heterogeneous contrast enhancement
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Figure 2: MRI spine showing well defined expansile mass lesion (arrow head) at L2 vertebra with bilateral laminar destruction and tecal sac compression (arrow). It displayed hypo intense signals on T1; (a and c) Hyper intense signals on T2 weighted images; (b and d) Multiple internal septations and heterogeneous contrast enhancement

Mentions: Local examination revealed an ill-defined, palpable, tender mass opposite the L2 vertebra. Neurological examination revealed no motor or sensory abnormality. The deep tendon reflexes were normal. Bowel and bladder functions were normal. X-ray of the spine revealed loss of posterior elements [Figure 1]. Magnetic resonance imaging (MRI) of the spine showed a well-defined expansile mass lesion involving L2 vertebra with bilateral laminar destruction , hypointense signal on T1 and hyperintense signal on T2 weighted images with multiple internal septations [Figure 2]. Heterogeneous contrast enhancement was also present.


Aneurysmal bone cyst: An unusual presentation of back pain.

Singh DK, Singh N, Pant MC - Asian J Neurosurg (2014)

MRI spine showing well defined expansile mass lesion (arrow head) at L2 vertebra with bilateral laminar destruction and tecal sac compression (arrow). It displayed hypo intense signals on T1; (a and c) Hyper intense signals on T2 weighted images; (b and d) Multiple internal septations and heterogeneous contrast enhancement
© Copyright Policy - open-access
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=PMC4129574&req=5

Figure 2: MRI spine showing well defined expansile mass lesion (arrow head) at L2 vertebra with bilateral laminar destruction and tecal sac compression (arrow). It displayed hypo intense signals on T1; (a and c) Hyper intense signals on T2 weighted images; (b and d) Multiple internal septations and heterogeneous contrast enhancement
Mentions: Local examination revealed an ill-defined, palpable, tender mass opposite the L2 vertebra. Neurological examination revealed no motor or sensory abnormality. The deep tendon reflexes were normal. Bowel and bladder functions were normal. X-ray of the spine revealed loss of posterior elements [Figure 1]. Magnetic resonance imaging (MRI) of the spine showed a well-defined expansile mass lesion involving L2 vertebra with bilateral laminar destruction , hypointense signal on T1 and hyperintense signal on T2 weighted images with multiple internal septations [Figure 2]. Heterogeneous contrast enhancement was also present.

Bottom Line: We describe the case of a 20-year-old Asian male who presented with backache and pain in right leg.Radiology was suggestive of an ABC involving the posterior elements of the lumbar vertebra.Excision was performed.

View Article: PubMed Central - PubMed

Affiliation: Department of Neurosurgery, Dr. RML Institute of Medical Sciences, Gomti nagar, Lucknow, India.

ABSTRACT
Aneurysmal bone cyst (ABC) is a rare benign tumor comprising 1.4% of all primary bone tumors. It commonly involves humerus, femur, tibia, and pelvic bones. Spinal involvement is rare. The pathological appearance of the lesion is one of the blown out distension with fluid filled cavities from which it gains the name aneurysmal bone cyst. The World Health Organization has defined it as an expanding lesion with blood filled cavities separated by septa of trabecular bone or fibrous tissue containing osteoclast giant cells. We describe the case of a 20-year-old Asian male who presented with backache and pain in right leg. Radiology was suggestive of an ABC involving the posterior elements of the lumbar vertebra. Excision was performed. We discuss this unusual case, reviewing the current literature on biological behavior and management of aneurysmal bone cyst.

No MeSH data available.


Related in: MedlinePlus