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Riga-6 Radiology names

Terms in this set (119)

an epithelial-lined developmental cyst formed by accumulation of fluid between the reduced enamel epithelium and crown of an unerupted tooth.
Dentigerous or Folicular cyst
a cystic lesion that behaves more aggressively than other jaw cysts.
One of its characteristic histologic features is a parakeratinized uniform layer of lining epithelium.
Keratocystic odontogenis tumor (KOT)?
a fluid-filled cavity in the bone, lined by compressed fibrous tissue. Not lined by epithelium
simple bone cyst
a normal anatomical variant, as the depression is created by ectopic salivary gland tissue associated with the submandibular gland and does not represent a pathologic lesion as such.
Staffne's bone cavity
a bacterial infection involving the inner layers of the skin. [1]
It specifically affects the dermis and subcutaneous fat. [1]
Signs and symptoms include an area of redness which increases in size over a few days. [1]
Cellulitis
Clerotic bone as a response of long lasting low grade inflamation
condensing oseodontitis
Modification of the outline of a bone.
periosteal reaction
a small area of compact bone within the cancellous bone
Enostosis
a type of osteopetrosis that involves abnormal hardening of bone and increased skeletal density with little disturbance of modeling.
Osteosclerosis
ithe system of organs and tissues, including the bone marrow, spleen, thymus and lymph nodes, involved in the production of cellular blood components.
haematopoietic system
swelling and infection of the gum tissue around partly erupted the wisdom teeth
Periocoronitis
inflammation or swelling that occurs in the bone. It can result from an infection somewhere else in the body that has spread to the bone, or it can start in the bone — often as a result of an injury.

Mainly bone resorbtion
Acute Osteomyelitis
inflammation or swelling that occurs in the bone. It can result from an infection somewhere else in the body that has spread to the bone, or it can start in the bone — often as a result of an injury.

Altered shape of mandibula with union pattern cortical bone
Chronic Osteomyelitis
consists of abnormal bone growth and lesions that may result from tooth inflammation or infections.
sclerotic osteitis
scar-like tissue grows in place of normal bone.
Fibrous dysplasia
cancer cells in these tumors look like early forms of bone cells that normally help make new bone tissue, but the bone tissue in an osteosarcoma is not as strong as that in normal bones
Osteosarcoma
(of a place) isolated and hidden away.
sequesters
Epithelium lined cavity that grows due to osmotic pressure
Cysts
an inflammatory jaw cyst originating from epithelial remnants of the periodontal ligament as a result of inflammation that is generally a consequence of pulp necrosis.
Radicular cyst
related to a lateral canal
an inflammatory jaw cyst originating from epithelial remnants of the periodontal ligament as a result of inflammation that is generally a consequence of pulp necrosis
Lateral radicular cyst
radicular cysts without the presence of the offending dentition
Residual cyst
a noninflammatory cyst on the lateral surface of the root of a vital tooth
Lateral periodontal cyst
Space between Reduced Enamel Epithelium and crown forms cyst
Dentigerous cyst
The definition of corticated is being covered such as the outer part of a plant or body organ, or a layer of tissue in certain simple structured plants and animals
corticated
is a benign cavity in bone that is either empty or contains fluid, epithelium is not found. Surrounded by compact fribrous tissue
solitary bone cyst
Cyst forming in the dental sack of an unerupted tooth. It contains a crown.
Dentigerous cyst
fluid-filled holes that may form if fluid does not drain properly from a bone as it's growing.
Simple bone cavity
an enlargement of an organ or tissue caused by an increase in the amount of organic tissue that results from cell proliferation. It may lead to the gross enlargement of an organ, and the term is sometimes confused with benign neoplasia or benign tumor.
Hyperplasia
Exostosis on the palat
Palatal tori
Exostosis on the lingual side of the mandible
Mandible tori
Like tori, but can be located everywhere.
Exostoses
a small area of compact bone within the cancellous bone. They are commonly seen as an incidental finding on radiographs or CT scans.
Enostosis
Ameloblastoma
Odontoma
Odontogenic myxoma
Benign cementoblastoma
Odontogenic tumors 4X
slow-growing benign tumor arising from odontogenic epithelium, characterized by a locally aggressive behavior
Ameloblastoma
benign tumor originating from an alteration of differentiated mesenchymal and epithelial odontogenic cells; it has the capacity of forming enamel, dentin and cement
Odontoma
rare intraosseous neoplasm, which is benign but locally aggressive. It rarely appears in any bone other than the jaws. It is considered to be derived from the mesenchymal portion of the tooth germ.
Odontogenic Myxoma
rare odontogenic tumor characterized by the formation of a mass of cementum or cementum-like tissue attached to the roots of a tooth.
Benign cementoblastoma
Osteochondroma
Neural origin
osteoma
Nonodontogenic tumors 3X
benign (noncancerous) tumor that develops during childhood or adolescence. It is an abnormal growth that forms on the surface of a bone near the growth plate.
Osteochondroma
Leeg
Neural origin
benign outgrowths of bone found mainly on the bones of the skull. These tumors are slow growing and usually cause no symptoms. There are two types : Compact are composed of mature lamellar bone.
Osteoma
Carcinomas, epithelium related
Sarcomas, Mesenchymal tissue related like muscle and bone.
What are these?
Malignant tumors
Malignant tumor of the skin.
Most common type of skin cancer.
Malignant proliferation of keratinocytes.
Squamish cell carcinoma
- a type of cancer that starts in tissues like bone or muscle
- can develop in soft tissues like fat, muscle, nerves, fibrous tissues, blood vessels, or deep skin tissues.
Sarcomas
malignant neoplasms of the bone which commonly affect the long bones.
The cancer cells in these tumors look like early forms of bone cells that normally help make new bone tissue, but the bone tissue in is not as strong as that in normal bones
Osteosarcoma
type of bone cancer that starts in cartilage cells. Cartilage is the smooth connective tissue that protects the ends of bones and lines most joints.
Chondrosarcoma
Maslignant cancer of Soft tissue around the bone.
Ewing's sarcoma
foci of malignant disease that originated in a distant primary tumor.
Metastatic tumors
system consists of organs and tissues, primarily the bone marrow, spleen, tonsils, and lymph nodes involved in the production of blood
Malignancies of hematopoietic system
plasma cell originating cancer
Most common malignancy of bone in adult
Multiple Myeloma
cancer of the lymphatic system, which is part of the body's germ-fighting network.
Lymphoma
Dimisnished in size but proportional condyle, neck, fossa
Unilateral
Earlier onset result in more severe underdevelopment of ramus and mandibular body
Can be feature of syndromes, then usually bilateral
Condylar hypoplasia.
is a rare genetic disorder characterized by distinctive abnormalities of the head and face.
Treacher Collins syndrome
TMJ disk out of place in closed position but no in mouth open posision
Disk displacement pathologies , with reduction
TMJ disk out of place in closed position and also in mouth open position
Disk displacement pathologies , with reduction
exostoses (bony projections) that form along joint margins.
osteophytes
Systhemic disease that affect synovial memebrane of joints, usually symetrical
50% cases TMJ affected, in later stage of disease
Reumatoid artritis
Relating to or denoting any disease or condition which arises spontaneously or for which the cause is unknown.
idiopatic
utoimmune disorder that manefests until age of1 to 6
Bird face development
Juvenile idiopatic arthritis
Synovial membrane formates calcified or/and cartilaginous structures.
Synovial chondromatosis
Mandible movement is restricted due to fusion of intra articular components
condylar Ankylosis
is a benign (noncancerous) tumor that develops during childhood or adolescence. It is an abnormal growth that forms on the surface of a bone near the growth plate.
Osteochondroma
Malignant bone tumor starting in osteoblasts
osteosarcoma
bone disease characterized by the increased development of one mandibular condyle. It regularly presents as an active growth with facial asymmetry generally without pain. Statistically it affects more women in adolescence, although it does not discriminate by age or gender
Conylar hyperplasia
Condylar hypoplasia is known as underdevelopment of the mandibular condyle. Congenitally (primary) caused condylar hypoplasia leads to underdeveloped ...
Conylar hypoplasia
Depression or notch in middle of the condylar head: depression from flat to very deep
Incidental finding
Bifid condyle
Three types of condyle remoddeling
- Surface flattening
- Thickened cortical bone
- Subchondral sclerosis
Degenerative joint disease
Osteoartritis
Degenerative changes of cartilaginous and osseous structures that occur when joint's remodeling capacity has ceased.
Osteo artritis
trauma that effects only dental tissue.
Dental Trauma
Trauma to tooth supporting structures? 6X
concussion
Subluxation
Luxation
Intrusion
Extrusion
Avulsion
Fracture of alveolar bone
Alveolar fracture
Floor of orbit pushed in to maxillary sinus due to pressure on the eye.
Orbital blow out
LeFort fractures three types?
Le Fort I: Alveolar bone broken from maxilla.
Break line just above floor off the maxillary sinus and floor of the nasal cavity
Just under the nose in the face.
Le Fort II: Maxilla disconnecte from face.
Break line through the orbits, though higher part of the nose
Zygomatic bones still intact and connected to frontal bone.
Le Fort III face disconnected from skull
Maxilla together with zygomatic bones disconnected fom frontal bone and zygomatic bone
Tripod fracture where adjacent areas of the maxillary, sphenoid, frontal temporal bones may be involved
Zygomatic bone fractures
Places where the mandible can break? 7X
1. Condyle
2. Subcondyle
3. Cornoid process
4. Ramus
5. Angle
6. Body
7. Symphasis
Synonyms: calculus; salivary stones
Sialo lithiasis
Salivary stone that is unsufficiently calcified to see on x-ray.
mucous plug?
the radiographic examination of the salivary glands. It usually involves the injection of a small amount of contrast medium into the salivary duct of a single gland, followed by routine X-ray projections
sialography
Three kinds of sialadenitis
Bacterial sialadenitis
Viral sialadenitis
Auto immune, Sjoggren's
Autoimmune sialadenitis
Sjoggren's
Noninflammatory salivary gland problems?
Sialadenosis
Salivary gland cysts
Noninflamatory and nonneoplastic enlargment of parotoid gland
Sialadenosis
Usually unilateral
Bilateral in parotis - in HIV patients
Salivary gland cysts
Chronic inflammation caused by different diseases , looks like coliflower
Lymph node calcificaitons
Calcification occurs due to repeated inflammation by infection agents. Looks like small round stondes around angle mandible.
Tonsil calcification
Calcifications are multiple, irregular in shape, defined borders, vertical linear distribution
Artherial calcification
calcified thrombi found in veins, venulae, or the sinusoidal vessels of hemangiomas
Multiple roundish, —6mm radiopaque strucutres
Phleboliths
...
Laryngeal cartilage calcification
calcified mass within the maxillary sinus. The origin of the nidus of calcification may be extrinsic (foreign body in sinus) or intrinsic (stagnant mucus and fungal ball).
Antrolith
...
Lig. Stylohyoid calcification
Other calcifications
Skin
muscle
Bone diseases
Fibrous dysplasia
Periapical osseous dysplasia
Florid osseus dysplasia
is a chronic problem in which scar-like tissue grows in place of normal bone. It often results in one or more, of the following: Bone deformity. Brittle bones.
Fibrous dysplasia
Localized changes when normal bone is replaced with fibrous tissue, abnormal bone, mixture of both .
Localized at apex of the tooth.

Usually well defined border
Internal structure depends on stage
Large lesion can cause expansion
Periapical osseous dysplasia
a form of periapical osseus dysplasia if there is many osseous dysplasia lesions in both jaws or several quadrants etc.
Florid osseus dysplasia
an uncommon, benign but aggressive osteolytic neoplasm of the craniomaxillofacial region, histologically characterized by an abundance of evenly distributed multinucleated giant cells
Central Giant Cell Granuloma
is a highly destructive benign bone tumor, occurring in less than 1 in 100,000 people per year.
Aneurysmal bone cyst (ABC)
someone with a round face and an air of sweetness, whether you're talking about a cute cooing baby or your innocent-looking, round-faced 40-year-old brother. ...
Cherubism
e
Systhemic diseases
Thyroid
Pituitary
Endocrine diseases
...
Metabolic diseases
a generalized decrease in bone mass
Osteporosis
Vitamin D deficiency—leading to deficency of calcium and phosphate
Rickets and osteomalacia
...
Non odontogenic maxillary sinus diseases
Inflammatory reaction or localized thicken mucosa
Mucositis
Generalized inflammation of sinus mucosa
Sinusitis
is a benign and self-limiting lesion resulting from the outflow of mucus within the sinus mucosa due to ductal obstruction [1]. ...
Retention pseudocyst
abnormal tissue growths that most often look like small, flat bumps or tiny mushroomlike stalks.
Polyp
...
Antrolith
...
Mucocele
...
Tumors in sinus
...
Benign tumors
...
Malignant tumors
...
Odontogenic maxillary sinus diseases
Peeriosteal lesion can elevate max sinus causing dome like structure. It is just bone response to inflammation.
Inflammatory exudate from dental infection rises periosteum of maxillary sinus
Just like sclerotic bone around granuloma
Inflammatory new bone formation?
...
Odontogenic cysts and Benign tumors
...
Bone dysplasia
Root fragments during extraction
Oroantral comunication after extraction
Different dental materials
Implants
Unsucsesful sinus augmentation
Dental structures or materials in sinus
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