Date of Presentation:03/07/2018

Attending pathologist: Paul E. Wakely Jr., MD

Presented by: George Mao, MD

Prepared by: George Mao, MD

Organ:Spinal Cord

HISTORY:

65 year old female with history of non-small cell lung cancer who presents with bilateral lower extremity weakness for 48 hours. MRI demonstrated a 10 cm thoracic epidural mass with extension into the posterior thoracic cavity. Patient underwent thoracic laminectomy and excision of epidural tumor.

Microscopic image possibly detecting cancerous areas in human tissue
Microscopic image possibly detecting cancerous areas in human tissue
Microscopic image possibly detecting cancerous areas in human tissue
Microscopic image possibly detecting cancerous areas in human tissue
Microscopic image possibly detecting cancerous areas in human tissue

What is the most likely diagnosis?

  1. Lymphoma
  2. Neuroendocrine carcinoma
  3. Desmoplastic small round cell tumor
  4. Alveolar rhabdomyosarcoma
  5. Ewing sarcoma
Alveolar rhabdomyosarcoma