Painful left thigh mass

Primary paraspinal lumbar hydatid disease: a known diagnose in an unusual localization

“…Specific immunoglobulin G (IgG), complement fixation, and indirect fluorescent tests as well as enzyme-linked immunosorbent assay (ELISA) can be used. These tests are more sensitive in the detection of liver cysts than in the detection of cysts located in other organs (5). It is important to know that although positive serological test results are suggestive of the presence of HD, negative test results do not exclude the diagnosis (5,6).…”

“…It is important to know that although positive serological test results are suggestive of the presence of HD, negative test results do not exclude the diagnosis (5,6). Paraspinal HD may be treated surgically and with anti-infective drug treatment (5).…”

“…Paraspinal HD without the involvement of other organs is extremely rare (0.5%-3%) because muscles produce lactic acid, which results in an unsuitable environment for hydatid cysts that need oxygen for growing (1,2). The psoas muscle and lumbar paraspinal muscles are the most common locations of paraspinal HD (3)(4)(5).…”