Korean J Parasitol.  2012 Dec;50(4):353-355.

A Case of Inguinal Sparganosis Mimicking Myeloid Sarcoma

Affiliations
  • 1Department of Internal Medicine, Inha University College of Medicine, Incheon 400-711, Korea. visionyhg@hanmail.net
  • 2Department of Pathology, Inha University College of Medicine, Incheon 400-711, Korea.

Abstract

We report here a case of inguinal sparganosis, initially regarded as myeloid sarcoma, diagnosed in a patient undergone allogeneic hematopoietic transplantation (HSCT). A 56-year-old male patient having myelodysplastic syndrome was treated with allogeneic HSCT after myeloablative conditioning regimen. At day 5 post-HSCT, the patient complained of a painless palpable mass on the left scrotum and inguinal area. Pelvic magnetic resonance imaging and computed tomography revealed suspected myeloid sarcoma. Gun-biopsy was performed, and the result revealed eosinophilic infiltrations without malignancy. Subsequent serologic IgG antibody test was positive for sparganum. Excisional biopsy as a therapeutic diagnosis was done, and the diagnosis of sparganosis was confirmed eventually. This is the first report of sparganosis after allogeneic HSCT mimicking myeloid sarcoma, giving a lesson that the physicians have to consider the possibility of sparganosis in this clinical situation and perform adequate diagnostic and therapeutic approaches.

Keyword

Sparganum; sparganosis; myeloid sarcoma; hematopoietic stem cell transplantation; myelodysplastic syndrome

MeSH Terms

Animals
Diagnosis, Differential
Hematopoietic Stem Cell Transplantation
Humans
Larva
Magnetic Resonance Imaging
Male
Middle Aged
Myelodysplastic Syndromes/complications/surgery
Republic of Korea
Sarcoma, Myeloid/diagnosis
Scrotum/parasitology/*pathology
Sparganosis/parasitology/*pathology/radiography
Sparganum/*immunology/isolation & purification
Tomography, X-Ray Computed
Transplantation, Homologous
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