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Background   Talaromyces marneffei , is an opportunistic pathogenic fungus that is most commonly reported in Southeast Asia and disseminated  T.marneffei  infection predominantly occurs in patients with immunodeficiency. With a potential to invade multiple organs, it can be fatal for patients if diagnosis and treatment are delayed. In current clinical practice, the diagnosis of  T.marneffei  infection relies heavily on tissue culture and histologic analysis, which may suffer from limited positive rate and is sometimes time consuming. The rapid and accurate diagnosis of disseminated  T.marneffei  infection remains challenging.    Case presentation  A 22-year-old man gradually developed fever, cough, lower extremities weakness, jaundice and rash, for which a 3-month extensive investigation failed to reach a diagnosis. After admitted into our hospital, laboratory and radiological tests revealed multiple lesions in the patient’s brain, spinal cord, and lungs. We performed next generation sequencing on the patient’s skin tissue, bone marrow, blood and cerebrospinal fluid, which all identified numerous  Talaromyces marneffei  nucleotide sequences and leaded to the rapid diagnosis and treatment of disseminated  T.marneffei  infection.    Conclusions  This case underline the clinical significance of  T.marneffei  as a possible pathogen in immune-competent patients. This successful application of the next generation sequencing assisting the rapid diagnosis of disseminated  T.marneffei  infection provides a new perspective in the clinical approach to the systematic fungi infections and highlights the potential of this technique in rapid etiological diagnosis.    Electronic supplementary material  The online version of this article (10.1186/s12879-018-3276-5) contains supplementary material, which is available to authorized users.

bmc infectious diseases

Rapid and precise diagnosis of disseminated T.marneffei infection assisted by high-throughput sequencing of multifarious specimens in a HIV-negative patient: a case report