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骨肉瘤的梭形瘤细胞正在产生浅红色的类骨质。肉瘤的类骨质产物可以用于诊断骨肉瘤。
The neoplastic spindle cells of osteosarcoma are seen to be making pink osteoid here. Osteoid production by a sarcoma is diagnostic of osteosarcoma.

盆骨坐骨处软骨肉瘤。此肿瘤由穿透皮质的分叶状亮白、蓝白组织组成。一般而言,远端的软骨肿瘤(如手指)为良性,而出现于中轴骨骼的软骨肿瘤为恶性。)
Here is a chondrosarcoma involving the ischium of the pelvis. The tumor is composed of lobulated glistening white to bluish-white tissue that breaks through the cortex. In general, peripheral cartilagenous tumors (e.g., fingers) are benign and those arising in the central axial skeleton are malignant.

右髂骨翼(图左上角)的软骨肉瘤X线片。骨组织局部破坏并伴有钙化,没有骨膜反应性新生骨。肿瘤向软组织浸润。

This radiograph demonstrates a chondrosarcoma involving the right pelvic wing. There is an area of bone destruction accompanied by partial calcification, with no periosteal reactive new bone. The tumor extends into the soft tissue.

又一例盆骨软骨肉瘤。可见右下方广泛的白、蓝白结节状软骨瘤组织正从骨向外浸润。软骨肉瘤可见于大范围年龄段人群,且稍多见于男性。它们多数生长缓慢,十年或更长时间才出现症状。

Here is another example of a chondrosarcoma arising in the pelvis. Note the extensive nodules of white to bluish-white cartilagenous tumor tissue eroding and extending outward from the bone at the lower right. Chondrosarcomas can occur over a wide age range, and there is a slight male predominance. Many of them are slow growing, with symptoms present for a decade or more.

骨盆CT显示右骼骨翼的软骨肉瘤。骨组织局部破坏并伴有钙化,没有骨膜反应性新生骨。肿瘤向软组织浸润。

This pelvic CT scan demonstrates a chondrosarcoma involving the right pelvic wing. There is an area of bone destruction accompanied by partial calcification, with no periosteal reactive new bone. The tumor extends into soft tissue.

软骨肉瘤的低倍镜外观。可以认出软骨组织,清晰的间隙中有软骨细胞,但排列不规则。底部可见肿瘤正侵蚀破坏骨组织。

This is the low power microscopic appearance of a chondrosarcoma. The tissue is recognizable as cartilage, and there are chondrocytes in clear spaces, but there is no orderly pattern. At the bottom, this neoplasm can be seen invading and destroying bone.

软骨肉瘤的高倍放大外观显示不规则堆积在一起的多形性明显的软骨细胞。一般而言,软骨肉瘤比骨肉瘤可见于更大范围年龄段人群,包括老年人。

This high power microscopic appearance of a chondrosarcoma demonstrates pleomorphic chondrocytes that are piled together in a haphazard arrangement. In general, chondrosarcomas occur over a wider age range than osteosarcomas, including older adults.

尤文氏肉瘤。这种原发性骨肿瘤主要见于儿童与青少年的长骨骨干,稍多见于男性。可见不规则的从灰色到红色再到棕色的肿瘤块正穿透皮质。最右侧可见正常的黄骨髓。

This is Ewing's sarcoma. This primary bone tumor mainly occurs in the diaphysis of long bones of children and young adults. There is a slight male predominance. As seen here, the irregular tan to red to brown tumor mass is breaking through the cortex. More normal fatty marrow is seen at the far right.

尤文氏肉瘤是一种组织学上称为“蓝色小圆细胞”肿瘤。

Ewing's sarcoma is one of the "small round blue cell" tumors histologically.

尸检椎骨标本显示多发性不规则转移瘤。大多数骨肿瘤都是转移瘤。大多数原发性骨肿瘤为良性。最常见的恶性原发性骨肿瘤是骨肉瘤。

This section of vertebral bone from autopsy demostrates multiple foci pale irregular metastases. The most common neoplasm in bone is a metastasis. The most common primary bone tumors are benign. The most common malignant primary bone tumors are osteosarcomas.


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