Congenital sacrococcygeal rhabdomyosarcoma

Renuka Venkata Inuganti1, Amulya Boddapati1, Atchyuta Mathi1

  • 1Department of Pathology, NRI Medical College, Guntur, Andhra Pradesh, India.

Insights

Rhabdomyosarcoma (RMS), a rare pediatric cancer, can present as a sacral nodule in infants. Histopathology confirmed RMS in a 4-month-old male, highlighting its varied presentation.

Area of Science:

  • Pediatric Oncology
  • Skeletal Muscle Tumors

Background:

  • Rhabdomyosarcoma (RMS) is a malignant soft-tissue sarcoma originating from embryonic striated muscle precursors.
  • It commonly affects pediatric patients, typically in the head-and-neck, genitourinary, or extremity regions.

Observation:

  • A rare case of RMS presented in a 4-month-old male infant with a sacral nodule.
  • The tumor's location was unusual, being in the sacrococcygeal area, which is rarely affected by RMS.

Findings:

  • Histopathological examination and immunohistochemical marker studies confirmed the diagnosis of Rhabdomyosarcoma.
  • No teratomatous elements were detected in the tumor, differentiating it from other sacral masses.

Implications:

  • This case underscores the importance of considering RMS in the differential diagnosis of pediatric sacral masses.
  • Early diagnosis and appropriate treatment are crucial for improving outcomes in pediatric soft-tissue sarcomas.