Leiomyosarcoma

What is a Leiomyosarcoma?

Leiomyosarcoma is a rare tumor derived from smooth muscles. It has three types, spindle / conventional, epithelioid, and myxoid. What is the Pathology of Leiomyosarcoma? The pathology of leiomyosarcoma is: -Etiology: The cause of leiomyosarcoma is unknown. However, genetics is…
Leiomyoma

What is a Leiomyoma?

Leiomyoma is the bland smooth muscle tumor without mitotic figures. What is the Pathology of Leiomyoma? The pathology of leiomyoma is: -Etiology: The cause of leiomyoma is ischemia or hormonal stimulation. -Genes involved: None. -Pathogenesis: The sequence of events that…
Embryonal Rhabdomyosarcoma

What is Embryonal Rhabdomyosarcoma?

Embryonal rhabdomyosarcoma is a rare histological form of cancer of connective tissue wherein the mesenchymal-derived malignant cells resemble the primitive developing skeletal muscle of the embryo. What is the Pathology of Embryonal Rhabdomyosarcoma?  The pathology of embryonal rhabdomyosarcoma is:  -Etiology:…
Alveolar Rhabdomyosarcoma

What is Alveolar Rhabdomyosarcoma?

Alveolar rhabdomyosarcoma is a subtype of the rhabdomyosarcoma soft tissue cancer family whose lineage is from mesenchymal cells, and which is related to skeletal muscle cells. What is the Pathology of Alveolar Rhabdomyosarcoma?  The pathology of alveolar rhabdomyosarcoma is:  -Etiology:…
Rhabdomyoma

What is a Rhabdomyoma?

Rhabdomyoma is a benign tumor of striated muscle.  What is the Pathology of Rhabdomyoma? The pathology of rhabdomyoma is: -Etiology: The cause of rhabdomyoma is genetic modification during the development of striated muscle. -Genes involved: TSC1, TSC2. -Pathogenesis: The sequence…
Malignant Fibrous Histiocytoma

What is Malignant Fibrous Histiocytoma?

Malignant fibrous histiocytoma is pleomorphic sarcoma composed of fibroblasts, myofibroblasts, and histiocyte-like cells. What is the Pathology of Malignant Fibrous Histiocytoma?  The pathology of malignant fibrous histiocytoma is:  Etiology: The cause of malignant fibrous histiocytoma is not clear. Although these…