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 34 - MISCELLANEOUS TUMOR-LIKE LESIONS, AND HISTIOCYTIC AND FOREIGN BODY REACTIONS
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
This chapter includes a variety of non-neoplastic lesions that can form tumor-like masses or histologically simulate a neoplasm. Among these are histiocytic reactions to apparently noninfectious stimuli (e.g., granuloma annulare, pulse granuloma) and infections (e.g., mycobaterial pseudotumor, malakoplakia, and xanthogranulomatous reaction to infection). Accumulation or retention of foreign material can cause tumor-like reactive masses (e.g., retained cotton sponge), or microscopically can simulate a tumor, such as mucinous or signet ring cell carcinoma or chordoma (polyvinylpyrrolidone storage in histiocytes). Another example of permanently retained diagnostically used material is thorotrast, a historically used radioactive contrast medium associated with fibrous tumors at injection sites and hepatic malignancies. In the case of gadolinium-associated fibrosis, the fibrous reaction is visible, whereas the causative agent is not microscopically detectable. Finally, amyloid tumor is discussed here, including its variants associated with systemic amyloidosis and lymphoplasmacytic lymphoma (immunoglobulin light-chain–derived amyloidosis).
ORGANIZING HEMATOMA
Soft tissue hematoma can form a long-standing and expanding tumor-like mass that clinically, radiologically, and even pathologically sometimes simulates a neoplasm. Such lesions have been variably referred to as post-traumatic cyst of soft tissue, chronic expanding hematoma, and ancient hematoma. Calcified myonecrosis is a related term, with this condition also including a significant component of muscular necrosis and often developing after conditions such as compartment syndrome.
Clinical Features
Organizing hematoma can develop in a variety of soft tissue sites that most commonly include the thigh, abdominal wall, and chest wall.
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- Information
- Modern Soft Tissue PathologyTumors and Non-Neoplastic Conditions, pp. 965 - 981Publisher: Cambridge University PressPrint publication year: 2010