Liposarcoma

This 56 year old man presented to clinic complaining of a mass within the musculature of his medial right thigh that had appeared approximately 5 months ago. The patient denied any associated pain or tenderness. On the illustrated MR examination, a mass was found which was confirmed as a liposarcoma by pathologic evaluation following its surgical removal [...]

Neurofibroma

This 35-year-old female presented to clinic complaining of pain and swelling posterior to her right knee of approximately 3 months duration. Physical examination confirmed the presence of a soft tissue mass in the patient’s right posterior lower leg. An MRI scan demonstrated a well-defined oval lesion, confirmed to be a neurofibroma by subsequent surgery. [...]

Ollier Disease

This 17-year-old girl initially presented as a toddler and has since suffered from multiple complications related to Ollier disease, particularly in regard to her left femur. Disease involvement initially also included the left hemipelvis. The patient subsequently underwent multiple procedures involving the femur for the correction of pathologic fractures and leg-length discrepancies. Her most recent surgery, one year ago, consisted of curettage and bone grafting of lesions in her left iliac wing and proximal femur. [...]

Osseous Lymphoma

This 92-year-old female presented to clinic with chronic right shoulder swelling and pain of several months duration which had become more severe in last 10 days. Her past history includes a diagnosis of lymphoma in the early 1980’s—a non-Hodgkin stage IIE variety with favorable histologic status. She underwent 4 cycles of CHOP therapy followed by radiation treatment. Lymphomatous involvement was initially found in her right salivary gland, right submandibular gland, and left inner cheek. Plain film radiographs and the illustrated MR examination of the patient’s right arm revealed an ill-defined mass involving right humeral metaphysis. [...]

Low-grade malignant fibrous histiocytoma

This 9-year-old boy presented with vision loss in the left eye for more than one year. Ophthalmologic exam revealed no organic lesion and the patient was referred for an MRI. The lesion was subsequently resected. [...]

Osteosarcoma

This 28-year-old man presented with increasing pain and swelling in his right shoulder for more than four months. Physical exam revealed an obvious swelling, with overlying normal skin, involving the right shoulder. Because of the swelling and pain, movement of the joint was restricted. [...]

Fibroepithelial papilloma

This 46-year-old woman presented clinically with a complaint of gradual hearing impairment in the right ear for three years. Physical examination revealed the right parotid gland region to be swollen, with a medium-hard palpable mass. [...]

Metastatic Vertebral Disease

This 56-year-old male with a history of renal cell carcinoma presented to his primary care physician complaining of intractable back pain for one week. The MR examination performed for further assessment is given. [...]