Calcified Soft Tissue Mass
DIFFERENTIAL DIAGNOSIS
Common
Less Common
- • Fat Necrosis
- • Panniculitis
- • Pilomatricoma
- • Sarcoma
- • Soft Tissue Metastases
- • Nerve Sheath Tumor
- • Fibroma
- • Soft Tissue Chondroma
- • Hematoma
- • Calcifying Aponeurotic Fibroma
- • Myositis Ossificans
- • Tumoral Calcinosis
- • Dermatomyositis
- • Calcific Myonecrosis
- • Tuberculosis Abscess
- • Parasitic Infestation
- • Heterotopic Ossification
- • Sclerodactyly
ESSENTIAL INFORMATION
Key Differential Diagnosis Issues
Helpful Clues for Common Diagnoses
- • Granuloma
- • Venous Vascular Malformation
- • Gout or P seudogout
Helpful Clues for Less Common Diagnoses
- • Fat N ecrosis
Subcutaneous fat is prone to trauma, particularly on anterolateral aspect of thigh, lateral aspect arm, and gluteal region
Blunt subcutaneous trauma → injury and necrosis of fat cells
More severe forms of fat necrosis tend to undergo calcification and ossification
Other typical features: Hyperechoic fat containing hypoechoic spaces (infarcted fat)
- • Panniculitis
- • Pilomatric oma
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