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Images
Published: 01 February 2024
MELANOMA WITH SARCOMATOID DIFFERENTIATION Figure 21-7 MELANOMA WITH SARCOMATOID DIFFERENTIATION A: Amelanotic spindle cell melanoma shows focally osseous differentiation. B: The same tumor also showed focal cartilaginous differentiation. More about this image found in MELANOMA WITH SARCOMATOID DIFFERENTIATION A: Amelanotic spindle cell melan...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 19
Published: 01 February 2024
10.55418/9781933477428-21
ISBN-10: 1-933477-42-3
ISBN: 978-1-933477-42-8
... be confused with a sarcoma. The spectrum of sarcomatoid features is broad, and ranges from appearances simulating an atypical fibroxanthoma (AFX) ( 9 ) or pleomorphic sarcoma to melanomas with rhabdomyosarcomatous, cartilaginous ( 10 ), or osteocartilaginous differentiation ( fig. 21-7 ) ( 11 – 13...
Images
Published: 15 November 2023
PULMONARY ARTERY INTIMAL SARCOMA: OSTEOCARTILAGENOUS DIFFERENTIATION Figure 55-7 PULMONARY ARTERY INTIMAL SARCOMA: OSTEOCARTILAGENOUS DIFFERENTIATION Left: This example exhibits cartilaginous differentiation, producing a chondroid matrix. Right: Areas of osteoid production and osseous differenti... More about this image found in PULMONARY ARTERY INTIMAL SARCOMA: OSTEOCARTILAGENOUS DIFFERENTIATION Left:...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 18
Published: 01 January 2024
10.55418/9781933477367-07
ISBN-10: 1-933477-36-9
ISBN: 978-1-933477-36-7
... with immunohistochemical stains if necessary ( 36 ). A dense fibrotic capsule surrounds the tumor. The stroma of ductal adenoma may be more myxoid as opposed to sclerotic, or may even demonstrate cartilaginous metaplasia, similar to that seen in pleomorphic adenoma. DUCTAL ADENOMA Figure 7-37 DUCTAL ADENOMA A: At low...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 18
Published: 01 January 2024
10.55418/9781933477367-11
ISBN-10: 1-933477-36-9
ISBN: 978-1-933477-36-7
... to represent a degenerative phenomenon, and should be recognized as such to avoid misclassification of the tumor as a malignant lesion. Rarely, heterologous elements are seen, including areas of smooth muscle, osseous, or cartilaginous differentiation ( fig. 11-8 ). Again, these features do not portend a worse...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 18
Published: 01 January 2024
10.55418/9781933477367-08
ISBN-10: 1-933477-36-9
ISBN: 978-1-933477-36-7
... cells are arrayed in the mucin can resemble cartilaginous differentiation to those unfamiliar with this newer morphologic pattern. Invasive Cribriform Carcinoma There are no clinical, imaging, or gross features of distinction for invasive cribriform carcinoma compared with tumors of NST...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 17
Published: 15 November 2023
10.55418/9781933477299-ch55
ISBN-10: 1-933477-29-6
ISBN: 978-1-933477-29-9
... leiomyosarcoma is often used. PULMONARY ARTERY INTIMAL SARCOMA: OSTEOCARTILAGENOUS DIFFERENTIATION Figure 55-7 PULMONARY ARTERY INTIMAL SARCOMA: OSTEOCARTILAGENOUS DIFFERENTIATION Left: This example exhibits cartilaginous differentiation, producing a chondroid matrix. Right: Areas of osteoid production...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 16
Published: 01 August 2023
10.55418/9781933477282-12
ISBN-10: 1-933477-28-8
ISBN: 978-1-933477-28-2
... evaluated with regard to the nature of the positive cells. Differentiation from Sertoli cell tumors is discussed with that tumor. Prognosis. Prognosis is based on tumor grade, stage, presence of a retiform pattern, and heterologous elements, especially skeletal or cartilaginous differentiation. Patients...
Images
Published: 01 February 2023
CARCINOSARCOMA Figure 3-56 CARCINOSARCOMA This malignant neoplasm is composed of a high-grade adenocarcinoma admixed with distinct malignant mesenchymal elements, in this case with cartilaginous differentiation. More about this image found in CARCINOSARCOMA This malignant neoplasm is composed of a high-grade adenoca...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 14
Published: 01 February 2023
10.55418/9781933477268-3
ISBN-10: 1-933477-26-1
ISBN: 978-1-933477-26-8
... is composed of a high-grade adenocarcinoma admixed with distinct malignant mesenchymal elements, in this case with cartilaginous differentiation. The differential diagnosis includes a primary endometrial carcinosarcoma, which is by far more frequent. It is also important to consider mesonephric...
Images
in Germ Cell Neoplasia in Situ and Tumors Derived from Germ Cell Neoplasia in Situ
> Tumors and Tumor-Like Lesions of the Testis and Adjacent Tissues
Published: 01 August 2022
TERATOMA, POSTPUBERTAL TYPE Figure 4-166 TERATOMA, POSTPUBERTAL TYPE A: The typical cut surface of a teratoma composed of “mature” elements shows multiple cysts that contain serous to mucoid fluid. Clotted blood is seen in one cyst. B: This teratoma is purely solid and extensively cartilaginous.... More about this image found in TERATOMA, POSTPUBERTAL TYPE A: The typical cut surface of a teratoma compo...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 12
Published: 01 August 2022
10.55418/9781933477220-05
ISBN-10: 1-933477-22-9
ISBN: 978-1-933477-22-0
... to viscid mucinous secretion is found in glandular cysts. Solid foci usually correspond to stromal tissues and may be firm or soft, the latter sometimes with a myxoid consistency. Cartilaginous nodules are firm and white-gray, with a frequent translucent quality ( fig. 5-2 ). Neuroglial foci are typically...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 12
Published: 01 August 2022
10.55418/9781933477220-04
ISBN-10: 1-933477-22-9
ISBN: 978-1-933477-22-0
... cyst. B: This teratoma is purely solid and extensively cartilaginous. C: There are multiple nodular excrescences of keratin protruding from small, squamous epithelial-lined cysts. (Fig. 3.38 from Young RH, Scully RE. Testicular tumors. Chicago: ASCP Press; 1990:66.) D: The cut surface of a teratoma...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 11
Published: 01 June 2022
10.55418/9781933477190-8
ISBN-10: 1-933477-19-9
ISBN: 978-1-933477-19-0
... ovarian dermoid cyst: report of a case with electron-probe energy dispersive X-ray analysis . Int J Gynecol Pathol 2001 ; 20 : 386 - 9 . 115. Fadare O , Bifulco C , Carter D , Parkash V . Cartilaginous differentiation in peritoneal tissues: a report of two cases...
Images
Published: 01 November 2021
NEPHROBLASTOMA Figure 1-21 NEPHROBLASTOMA Islands of cartilaginous differentiation (left) merge with primitive blastemal cells and tubules (right). More about this image found in NEPHROBLASTOMA Islands of cartilaginous differentiation (left) merge with ...
Images
Published: 01 October 2021
OSTEOCHONDROMA Figure 6-12 OSTEOCHONDROMA A: Cross-section shows a cartilaginous cap with irregular endochondral ossification, resulting in areas of calcification, and a long stalk (bottom of image). B: A cross-section of a resected osteochondroma shows a cartilaginous cap and underlying cancell... More about this image found in OSTEOCHONDROMA A: Cross-section shows a cartilaginous cap with irregular e...
Images
Published: 01 October 2021
OSTEOCHONDROMA WITH AN OVERLYING BURSA Figure 6-17 OSTEOCHONDROMA WITH AN OVERLYING BURSA The cartilaginous cap has partly undergone endochondral ossification. The bursa is lined by synovium and is filled with synovial fluid. More about this image found in OSTEOCHONDROMA WITH AN OVERLYING BURSA The cartilaginous cap has partly un...
Images
Published: 01 October 2021
LARGE CARTILAGINOUS TUMORS OF LONG BONES Figure 6-23 LARGE CARTILAGINOUS TUMORS OF LONG BONES A: Frontal radiograph of the upper arm demonstrates a lucent lesion with typical ring and arc calcifications in the proximal humeral metadiaphysis. B: Coronal fat-suppressed T2-weighted MRI shows a char... More about this image found in LARGE CARTILAGINOUS TUMORS OF LONG BONES A: Frontal radiograph of the uppe...
Images
Published: 01 October 2021
CARTILAGINOUS TUMORS OF THE FINGER, MOST LIKELY ENCHONDROMA Figure 6-24 CARTILAGINOUS TUMORS OF THE FINGER, MOST LIKELY ENCHONDROMA A: A lytic lesion expands the middle phalanx with chondroid matrix. Cortical expansion and thinning are frequently present in enchondromas of the small bones of hand... More about this image found in CARTILAGINOUS TUMORS OF THE FINGER, MOST LIKELY ENCHONDROMA A: A lytic les...
Images
Published: 01 October 2021
PERIOSTEAL CHONDROMA Figure 6-44 PERIOSTEAL CHONDROMA Left: A moderately cellular cartilaginous tumor is seen. The matrix is hyaline, with calcification, but can also show myxoid changes. These are not signs of malignancy when the tumor is of periosteal instead of intramedullary origin. Right: I... More about this image found in PERIOSTEAL CHONDROMA Left: A moderately cellular cartilaginous tumor is se...
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