2013年11月1日 · 50 - 90% of primary heart tumors in children Usually discovered in patients less than 1 year of age, rarely in fetuses (Ital Heart J 2002;3:48)

2024年2月28日 · Pleomorphic rhabdomyosarcoma is a high grade pleomorphic sarcoma composed of bizarre eosinophilic, round and spindle cells with skeletal muscle differentiation

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Differentiates rhabdomyoma (desmin+) from congenital granular cell epulis (desmin-) (Head Neck Pathol 2020;14:208) Differentiates rhabdomyoma (desmin+) from granular cell tumor (desmin-) (Am J Surg Pathol 1998;22:779) Differentiates rhabdomyoma (desmin+) from crystal storing histiocytosis (desmin-) (Head Neck Pathol 2012;6:111)

WHO classification of tumors of the oral cavity and mobile tongue, as well as the oropharynx (base of tongue, tonsils, adenoids), currently on 5th edition, published in 2022

The differential diagnosis for rhabdomyoma includes granular cell tumor, hibernoma, paraganglioma and oncocytoma but all of these are negative for muscle specific actin. Also in the differential diagnosis is muscle hypertrophy or accessory muscles but location, adjacent bone overgrowth and age can aid in the correct diagnosis ( Acta Cytol 2000 ...

Adult rhabdomyoma: Commonly in head and neck Cells with granular cytoplasm Phosphotungstic acid hematoxylin and Masson staining show cytoplasmic striae, crystals and rod inclusions in the tumor cells Desmin and myogenin positive (J Oral Maxillofac Pathol 2019;23:54) Lipoblastoma: Found in infants and young children

Soft tissue tumors & proliferations: adult type rhabdomyoma choristoma congenital epulis of newborn ectomesenchymal chondromyxoid tumor giant cell fibroma gingival hyperplasia irritation fibroma Kaposi sarcoma low grade myofibroblastic sarcoma melanotic neuroectodermal tumor of infancy (pending) oral focal mucinosis mucosal neuroma parulis ...

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2021年11月8日 · Painful, solitary, slow growing nodule (J Ultrasound Med 2019;38:1201) Well demarcated subcutaneous lesions classically found on the lower extremities but can also present on the head, trunk and upper extremities (J Cutan Pathol 2017;44:342)