1,717 results
Article
Pulmonary cavity
A pulmonary cavity is a collection of gas and/or fluid enclosed by a thick and often irregular wall which usually occurs when central necrotic tissue is expelled via a bronchial connection. Cavities may be single or multiple and can be isolated or associated with lung disease 12.
Terminology
P...
Article
Oral cavity
The oral cavity, also known as the mouth, is the most proximal portion of the aerodigestive tract, and is continuous posteriorly with the oropharynx.
Gross anatomy
Boundaries
The oral cavity includes the lips anteriorly. For purposes of staging oral carcinoma according to the 8th edition of...
Article
Nasal cavity
The nasal cavity, also known as the nasal fossa, forms part of the upper respiratory tract.
Terminology
Somewhat confusingly, the nasal cavity may refer to either the space either side of the nasal septum or the two spaces combined. So for the same individual one can correctly refer to their s...
Article
Abdominal cavity
The abdominal cavity is divided into two major compartments, the peritoneum and retroperitoneum, early in fetal development.
The parietal peritoneum is reflected over the peritoneal organs, forming supporting peritoneal ligaments, mesenteries, and omenta.
The peritoneal reflections carry vess...
Article
Stafne bone cavity
A Stafne bone cavity is a cortical defect near the angle of the mandible below the mandibular canal. It is usually an incidental finding and represents a depression in the medial aspect of the mandible filled by part of the submandibular gland or adjacent fat.
Terminology
A Stafne bone cavity...
Article
Common cavity malformation
Common cavity malformation is defined by the absence of the normal differentiation between the cochlea and vestibule, replaced instead by a cystic structure (i.e. the 'common cavity'). It accounts for about 25% of cochlear malformations 1.
Radiographic features
confluence of the cochlea, vest...
Article
Pulmonary cavity (mnemonic)
A particularly helpful mnemonic for causes of pulmonary cavities is:
CAVITY
Mnemonic
C: cancer
lung cancer: most frequently squamous cell carcinoma (SCC)
cavitary pulmonary metastasis(es): most frequently SCC
A: autoimmune; granulomas from
granulomatosis with polyangiitis
rheumatoid ar...
Article
Oral cavity carcinoma (staging)
Oral cavity carcinoma staging refers to TNM staging of carcinomas involving the oral cavity. The vast majority of applicable cases are squamous cell carcinomas, but other epithelial and minor salivary gland cancers are also included. The following article reflects the 8th edition published by th...
Article
Pediatric nasal cavity masses
Pediatric nasal cavity masses can occur within the nose or the nasopharynx. These masses are often found incidentally on imaging but can be readily apparent clinically.
Clinical presentation
The clinical features of these lesions tend to mimic upper respiratory processes and may result in dela...
Article
Squamous cell carcinoma (oral cavity)
Squamous cell carcinoma of the oral cavity is the most common (by far) of the malignant lesions affecting this region.
As they share epidemiology, pathology and general principles with other squamous cell carcinomas of the upper aerodigestive tract, those topics are covered there. Below are a ...
Article
Lobular capillary hemangioma of the nasal cavity
Lobular capillary hemangioma of the nasal cavity, also known as nasal pyogenic granuloma, is an uncommon benign, rapidly growing vascular neoplasm of the nasal cavity.
Terminology
The term “pyogenic granuloma” is a misnomer due to its lack of infectious origin according to histological and mic...
Article
Black turbinate sign (nasal cavity)
The black turbinate sign refers to the non-enhancement of nasal turbinates in a patient with acute invasive fungal rhinosinusitis.
Angioinvasive fungal infection (e.g. mucormycosis or aspergillosis) involves the nasal mucosa and causes infarction of the surrounding tissue. The infarcted tissue ...
Article
Nasal cavity and ethmoid sinus carcinoma (staging)
Nasal cavity and ethmoid sinus carcinoma staging refers to TNM staging of epithelial cancers involving the nasal cavity or ethmoid air cells. Applicable histologies include squamous cell carcinoma, adenocarcinoma and its variants, and other rarer epithelial malignancies other than mucosal melano...
Case
Tuberculous cavity aspergilloma
Published
13 Apr 2021
92% complete
CT
Case
Rhabdomyosarcoma of the nasal cavity
Published
16 Apr 2012
92% complete
MRI
CT
Case
IUCD peritoneal cavity migration
Published
21 May 2016
95% complete
CT
Case
Intraarticular fracture of the glenoid cavity
Published
07 Apr 2023
91% complete
X-ray
Case
Undifferentiated pleomorphic sarcoma of oral cavity
Published
03 Aug 2020
95% complete
CT
Case
Pulmonary infarction with residual cavity and fibrosis
Published
30 Dec 2023
95% complete
CT
Case
Pulmonary cavities - Mycobacterium xenopi
Published
11 Jan 2024
89% complete
CT
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