Figure 1From: Rhabdomyomatous mesenchymal hamartoma presenting as a big subcutaneous mass on the neck: a case report The mass was composed of disordered skeletal muscle and infiltrated the adipose tissue, fibrocytes or mesenchymocytes and collagen (hematoxylin and eosin stain, original magnification ×10). Adipose tissue and fibrocytes or mesenchymocytes were admixed with the muscle tissue in varying amounts throughout the lesion.Back to article page