Book contents
- Frontmatter
- Contents
- CONTRIBUTORS
- PREFACE
- Chap 1 OVERVIEW OF SOFT TISSUE TUMORS
- Chap 2 RADIOLOGIC EVALUATION OF SOFT TISSUE TUMORS
- Chap 3 IMMUNOHISTOCHEMISTRY OF SOFT TISSUE TUMORS
- Chap 4 GENETICS OF SOFT TISSUE TUMORS
- Chap 5 MOLECULAR GENETICS OF SOFT TISSUE TUMORS
- Chap 6 FIBROBLAST BIOLOGY, FASCIITIS, RETROPERITONEAL FIBROSIS, AND KELOIDS
- Chap 7 FIBROMAS AND BENIGN FIBROUS HISTIOCYTOMAS
- Chap 8 FIBROMATOSES
- Chap 9 BENIGN FIBROBLASTIC AND MYOFIBROBLASTIC PROLIFERATIONS IN CHILDREN
- Chap 10 CHILDHOOD FIBROBLASTIC AND MYOFIBROBLASTIC PROLIFERATIONS OF VARIABLE BIOLOGIC POTENTIAL
- Chap 11 MYXOMAS AND OSSIFYING FIBROMYXOID TUMOR
- Chap 12 SOLITARY FIBROUS TUMOR, HEMANGIOPERICYTOMA, AND RELATED TUMORS
- Chap 13 FIBROBLASTIC AND MYOFIBROBLASTIC NEOPLASMS WITH MALIGNANT POTENTIAL
- Chap 14 LIPOMA VARIANTS AND CONDITIONS SIMULATING LIPOMATOUS TUMORS
- Chap 15 ATYPICAL LIPOMATOUS TUMOR AND LIPOSARCOMAS
- Chap 16 SMOOTH MUSCLE TUMORS
- Chap 17 GASTROINTESTINAL STROMAL TUMOR
- Chap 18 STROMAL TUMORS AND TUMOR-LIKE LESIONS OF THE FEMALE GENITAL TRACT
- Chap 19 ANGIOMYOLIPOMA AND RELATED TUMORS (PERIVASCULAR EPITHELIOID CELL TUMORS)
- Chap 20 RHABDOMYOMAS AND RHABDOMYOSARCOMAS
- Chap 21 HEMANGIOMAS, LYMPHANGIOMAS, AND REACTIVE VASCULAR PROLIFERATIONS
- Chap 22 HEMANGIOENDOTHELIOMAS, ANGIOSARCOMAS, AND KAPOSI'S SARCOMA
- Chap 23 GLOMUS TUMOR, SINONASAL HEMANGIOPERICYTOMA, AND MYOPERICYTOMA
- Chap 24 NERVE SHEATH TUMORS
- Chap 25 NEUROECTODERMAL TUMORS: MELANOCYTIC, GLIAL, AND MENINGEAL NEOPLASMS
- Chap 26 PARAGANGLIOMAS
- Chap 27 PRIMARY SOFT TISSUE TUMORS WITH EPITHELIAL DIFFERENTIATION
- Chap 28 MALIGNANT MESOTHELIOMA AND OTHER MESOTHELIAL PROLIFERATIONS
- Chap 29 MERKEL CELL CARCINOMA AND METASTATIC AND SARCOMATOID CARCINOMAS INVOLVING SOFT TISSUE
- Chap 30 CARTILAGE- AND BONE-FORMING TUMORS AND TUMOR-LIKE LESIONS
- Chap 31 SMALL ROUND CELL TUMORS
- Chap 32 ALVEOLAR SOFT PART SARCOMA
- Chap 33 PATHOLOGY OF SYNOVIA AND TENDONS
- Chap 34 MISCELLANEOUS TUMOR-LIKE LESIONS, AND HISTIOCYTIC AND FOREIGN BODY REACTIONS
- Chap 35 LYMPHOID, MYELOID, HISTIOCYTIC, AND DENDRITIC CELL PROLIFERATIONS IN SOFT TISSUES
- Chap 36 CYTOLOGY OF SOFT TISSUE LESIONS
- Chap 37 SURGICAL MANAGEMENT OF SOFT TISSUE SARCOMA: HISTOLOGIC TYPE AND GRADE GUIDE SURGICAL PLANNING AND INTEGRATION OF MULTIMODALITY THERAPY
- Chap 38 MEDICAL ONCOLOGY OF SOFT TISSUE SARCOMAS
- Index
- References
Chap 19 - ANGIOMYOLIPOMA AND RELATED TUMORS (PERIVASCULAR EPITHELIOID CELL TUMORS)
Published online by Cambridge University Press: 01 March 2011
- Frontmatter
- Contents
- CONTRIBUTORS
- PREFACE
- Chap 1 OVERVIEW OF SOFT TISSUE TUMORS
- Chap 2 RADIOLOGIC EVALUATION OF SOFT TISSUE TUMORS
- Chap 3 IMMUNOHISTOCHEMISTRY OF SOFT TISSUE TUMORS
- Chap 4 GENETICS OF SOFT TISSUE TUMORS
- Chap 5 MOLECULAR GENETICS OF SOFT TISSUE TUMORS
- Chap 6 FIBROBLAST BIOLOGY, FASCIITIS, RETROPERITONEAL FIBROSIS, AND KELOIDS
- Chap 7 FIBROMAS AND BENIGN FIBROUS HISTIOCYTOMAS
- Chap 8 FIBROMATOSES
- Chap 9 BENIGN FIBROBLASTIC AND MYOFIBROBLASTIC PROLIFERATIONS IN CHILDREN
- Chap 10 CHILDHOOD FIBROBLASTIC AND MYOFIBROBLASTIC PROLIFERATIONS OF VARIABLE BIOLOGIC POTENTIAL
- Chap 11 MYXOMAS AND OSSIFYING FIBROMYXOID TUMOR
- Chap 12 SOLITARY FIBROUS TUMOR, HEMANGIOPERICYTOMA, AND RELATED TUMORS
- Chap 13 FIBROBLASTIC AND MYOFIBROBLASTIC NEOPLASMS WITH MALIGNANT POTENTIAL
- Chap 14 LIPOMA VARIANTS AND CONDITIONS SIMULATING LIPOMATOUS TUMORS
- Chap 15 ATYPICAL LIPOMATOUS TUMOR AND LIPOSARCOMAS
- Chap 16 SMOOTH MUSCLE TUMORS
- Chap 17 GASTROINTESTINAL STROMAL TUMOR
- Chap 18 STROMAL TUMORS AND TUMOR-LIKE LESIONS OF THE FEMALE GENITAL TRACT
- Chap 19 ANGIOMYOLIPOMA AND RELATED TUMORS (PERIVASCULAR EPITHELIOID CELL TUMORS)
- Chap 20 RHABDOMYOMAS AND RHABDOMYOSARCOMAS
- Chap 21 HEMANGIOMAS, LYMPHANGIOMAS, AND REACTIVE VASCULAR PROLIFERATIONS
- Chap 22 HEMANGIOENDOTHELIOMAS, ANGIOSARCOMAS, AND KAPOSI'S SARCOMA
- Chap 23 GLOMUS TUMOR, SINONASAL HEMANGIOPERICYTOMA, AND MYOPERICYTOMA
- Chap 24 NERVE SHEATH TUMORS
- Chap 25 NEUROECTODERMAL TUMORS: MELANOCYTIC, GLIAL, AND MENINGEAL NEOPLASMS
- Chap 26 PARAGANGLIOMAS
- Chap 27 PRIMARY SOFT TISSUE TUMORS WITH EPITHELIAL DIFFERENTIATION
- Chap 28 MALIGNANT MESOTHELIOMA AND OTHER MESOTHELIAL PROLIFERATIONS
- Chap 29 MERKEL CELL CARCINOMA AND METASTATIC AND SARCOMATOID CARCINOMAS INVOLVING SOFT TISSUE
- Chap 30 CARTILAGE- AND BONE-FORMING TUMORS AND TUMOR-LIKE LESIONS
- Chap 31 SMALL ROUND CELL TUMORS
- Chap 32 ALVEOLAR SOFT PART SARCOMA
- Chap 33 PATHOLOGY OF SYNOVIA AND TENDONS
- Chap 34 MISCELLANEOUS TUMOR-LIKE LESIONS, AND HISTIOCYTIC AND FOREIGN BODY REACTIONS
- Chap 35 LYMPHOID, MYELOID, HISTIOCYTIC, AND DENDRITIC CELL PROLIFERATIONS IN SOFT TISSUES
- Chap 36 CYTOLOGY OF SOFT TISSUE LESIONS
- Chap 37 SURGICAL MANAGEMENT OF SOFT TISSUE SARCOMA: HISTOLOGIC TYPE AND GRADE GUIDE SURGICAL PLANNING AND INTEGRATION OF MULTIMODALITY THERAPY
- Chap 38 MEDICAL ONCOLOGY OF SOFT TISSUE SARCOMAS
- Index
- References
Summary
Angiomyolipoma (AML) occurs primarily in the kidney but is rare in the liver or retroperitoneum (Fig. 19.1). This tumor contains mature lipomatous, vascular, and a peculiar, variably HMB45-positive smooth muscle–like cellular component and can be associated with tuberous sclerosis.
AML belongs to a group of tumors named perivascular epithelioid cell tumors (PEComas). They are characterized by the presence of an HMB45-positive smooth muscle–like element similar to that found in angiomyolipoma. Some of these tumors are also associated with tuberous sclerosis complex.
PEComas include retroperitoneal lymphangiomyoma, pulmonary lymphangiomyomatosis, and clear cell “sugar” tumor. Other PEComas (PEComa, not otherwise specified) usually occur in the abdomen, especially in the uterus and elsewhere in the abdominal cavity, and rarely, in peripheral soft tissues. Cardiac rhabdomyoma is discussed in this chapter, although it is not a PEComa. It is associated with the tuberous sclerosis complex (TSC), however.
ANGIOMYOLIPOMA
Clinical Features
AML of the kidney usually presents in adults and rarely in children, with an overall median age ~50 years. There is a significant (3:1 or higher) female predominance (Fig. 19.2). In the author's experience, retroperitoneal AML has similar demographics, and in fact some of such tumors are extensions of a renal primary tumor. Approximately 20% of renal AMLs occur in patients with TSC. In this context, these AMLs occur in patients 20 years younger than the sporadic cases; these tumors are often multiple and sometimes bilateral. Most childhood AMLs are seen in TSC patients.
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- Information
- Modern Soft Tissue PathologyTumors and Non-Neoplastic Conditions, pp. 531 - 545Publisher: Cambridge University PressPrint publication year: 2010