What is a hamartoma of the skin?
Hamartomas are benign lesions composed of aberrant disorganized growth of mature tissues. Choristomas are similar, except that they are composed of tissues not normally found at the anatomic site in which the lesion is arising. A wide range of hamartomas and choristomas can arise in the skin and soft tissue.
What is Chondroid hamartoma?
Chondroid hamartomas are rare benign lesions of the lung comprising 8% of all lung tumors. They are usually small-sized, solitary, peripherally located, and asymptomatic lesions detected incidentally on chest X-ray or at autopsy. Rarely, they may be large in size and may clinically mimic malignancy.
Can a hamartoma go away on its own?
Hamartomas sometimes disappear over time and show little to no symptoms. But in more severe cases, and depending on where they have grown, these growths can have serious complications.
Can a hamartoma become cancerous?
Hamartomas and Cowden Syndrome 17 In addition to multiple hamartomas (related to a form of PTEN gene mutation,) people with this syndrome often develop cancers of the breast, thyroid, and uterus, often beginning in their 30s and 40s.
Is a hemangioma a hamartoma?
Hemangiomas, which are hamartomas composed of vascular tissue, may appear quite large at birth but are usually left untreated unless they threaten facial structures.
What does Chondroma mean?
(kon-DROH-muh) A rare, slow-growing tumor that is made up of cartilage and forms on or in bones or soft tissue.
Is Chondroma malignant?
Chondromas are benign (not cancerous) tumors made of cartilage that are found mostly in the small bones of the hand and feet. They can also occur in the humerus (upper arm), femur (thigh bone), and ribs. These tumors rarely produce symptoms but can cause the affected bone to easily fracture.
Is Chondroma cancerous?
Chondromas are very rare, benign tumors made of cartilage. They usually grow slowly and develop in the sinuses and the bones of the skull. They can also show up in the small bones of the hands, feet, upper arms, thighs and ribs. If they form in the marrow cavity of bones, they are called enchondromas.
What is a Chondroid sarcoma?
(KON-droh-sar-KOH-muh) A type of cancer that forms in bone cartilage. It usually starts in the pelvis (between the hip bones), the shoulder, the ribs, or at the ends of the long bones of the arms and legs. A rare type of chondrosarcoma called extraskeletal chondrosarcoma does not form in bone cartilage.
What is a Chondroid lesion?
Chondroid tumors are a heterogeneous group of neoplasms that all share the production of chondroid matrix. This ranges from a fetal type to mature hyaline cartilage and mirrors its imaging characteristics.
What does Chondroid mean?
resembling cartilage
Medical Definition of chondroid : resembling cartilage innervation of chondroid tissue.
What is Chondroid calcification?
Rings and arcs calcification is characteristic of chondroid lesions, such as enchondromas and chondrosarcomas. It is due to endochondral mineralization of multiple hyaline cartilage nodules and is similar to popcorn calcification, which has rings and arcs on the background of more amorphous calcification.
What is a benign Chondroid lesion?
The benign chondroid tumors represent some of the most encountered incidental bone lesions, with osteochondroma the most frequent benign bone tumor. Enchondroma is mostly asymptomatic, and yet it is probably the second most common primary bone tumor.
What is the difference between hamartoma and choristoma?
It is different from choristoma, a closely related form of heterotopia. The two can be differentiated as follows: a hamartoma is an excess of normal tissue in a normal situation (e.g., a birthmark on the skin), while a choristoma is an excess of tissue in an abnormal situation (e.g., pancreatic tissue in the duodenum ).
Can a hamartoma grow on the neck?
Hamartomas can grow anywhere on the skin. Neck and chest. Those that have grown on the neck can cause swelling and even give you a hoarse voice. If they grow on your chest, you may experience some respiratory issues or a chronic cough.
How common are hamartomas of the thyroid gland?
Usually skin hamartomas exist, and commonly (in about 66% of cases) hamartoma of the thyroid gland exists. Additional growths can form in many parts of the body, especially in bones, CNS, the eyes, the genitourinary tract, the GI tract, and mucosa. The hamartomas themselves may cause symptoms or even death,…
What is chondroid syringoma?
Chondroid syringoma, or cutaneous mixed tumor, is an adnexal neoplasm of either apocrine or eccrine origin. It presents as a firm, dermal or subcutaneous nodule, usually between 0.5 and 3 cm.