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Case ReportOpen Access
Leiomyosarcoma in Peripheral Nerve : The First Case Report
Borvorn S 
,
Praditphol N ,
Nakornchai V
,
Praditphol N ,
Nakornchai V SOMBOON BORVORN, MD*,
NIPHON PRADITPHOL, MD**,
VISIT NAKORNCHAI, MD*
A neoplasm of the peripheral nerves can be obscured, especially during the early phase. The
authors report a patient with sciatic nerve leiomyosarcoma. The patient's presentation and initial
management are unique. A 51-year-old man with clinical manifestations of von Recklinghausen' s disease
reported numbness and weakness of the left leg for one and a half years. The symptoms gradually
progressed. The symptoms were consistent with peripheral neuritis. The patient developed foot drop
one month before coming to our service. Two episodes of biopsy confirmed leiomyosarcoma. A long,
large sciatic nerve leiomyosarcoma was found intra-operatively, positioned from the upper thigh to the
point where the tibial nerve passes beneath the upper margin of the soleus muscle. Surgical resection
was done and confirmed the diagnosis. Decreased sensation was still intact after resection.
Key word
: Leiomyosarcoma, Nerve Tumor, Sciatic Nerve Tumor, Nerve Resection, von Reckling-
hausen's Disease
NIPHON PRADITPHOL, MD**,
VISIT NAKORNCHAI, MD*
A neoplasm of the peripheral nerves can be obscured, especially during the early phase. The
authors report a patient with sciatic nerve leiomyosarcoma. The patient's presentation and initial
management are unique. A 51-year-old man with clinical manifestations of von Recklinghausen' s disease
reported numbness and weakness of the left leg for one and a half years. The symptoms gradually
progressed. The symptoms were consistent with peripheral neuritis. The patient developed foot drop
one month before coming to our service. Two episodes of biopsy confirmed leiomyosarcoma. A long,
large sciatic nerve leiomyosarcoma was found intra-operatively, positioned from the upper thigh to the
point where the tibial nerve passes beneath the upper margin of the soleus muscle. Surgical resection
was done and confirmed the diagnosis. Decreased sensation was still intact after resection.
Key word
: Leiomyosarcoma, Nerve Tumor, Sciatic Nerve Tumor, Nerve Resection, von Reckling-
hausen's Disease
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