| Cupola sign | |
|---|---|
 | |
| Cupola sign | |
| Differential diagnosis | pneumoperitoneum |
The cupola sign is seen on a supine chest or abdominal radiograph in the presence of pneumoperitoneum.
It refers to dependent air that rises within the abdominal cavity of the supine patient to accumulate underneath the central tendon of the diaphragm in the midline. It is seen as lucency overlying the lower thoracic vertebral bodies. The superior border is well defined, but the inferior margin is not.
"Cupola" is an architectural term, referring to a small dome (in particular, a small dome crowning a roof or a turret). The word derives from a Latin word for a "little cup".
In architecture, a cupola is a relatively small, usually dome-like structure on top of a building often crowning a larger roof or dome. Cupolas often serve as a roof lantern to admit light and air or as a lookout.
Filippo di ser Brunellesco di Lippo Lapi, commonly known as Filippo Brunelleschi and also nicknamed Pippo by Leon Battista Alberti, was an Italian architect, designer, goldsmith and sculptor. He is considered to be a founding father of Renaissance architecture. He is recognized as the first modern engineer, planner, and sole construction supervisor. In 1421, Brunelleschi became the first person to receive a patent in the Western world. He is most famous for designing the dome of the Florence Cathedral, and for the mathematical technique of linear perspective in art which governed pictorial depictions of space until the late 19th century and influenced the rise of modern science. His accomplishments also include other architectural works, sculpture, mathematics, engineering, and ship design. Most surviving works can be found in Florence.
A dome is an architectural element similar to the hollow upper half of a sphere. There is significant overlap with the term cupola, which may also refer to a dome or a structure on top of a dome. The precise definition of a dome has been a matter of controversy and there are a wide variety of forms and specialized terms to describe them.
The Reichstag, a historic legislative government building on Platz der Republik in Berlin, is the seat of the German Bundestag. It is also the meeting place of the Federal Convention, which elects the President of Germany.
An oculus is a circular opening in the center of a dome or in a wall. Originating in classical architecture, it is a feature of Byzantine and Neoclassical architecture.
A cupola is a relatively small, most often dome-like, tall structure on top of a building.
An onion dome is a dome whose shape resembles an onion. Such domes are often larger in diameter than the tholobate (drum) upon which they sit, and their height usually exceeds their width. They taper smoothly upwards to a point.
Illusionistic ceiling painting, which includes the techniques of perspective di sotto in sù and quadratura, is the tradition in Renaissance, Baroque and Rococo art in which trompe-l'œil, perspective tools such as foreshortening, and other spatial effects are used to create the illusion of three-dimensional space on an otherwise two-dimensional or mostly flat ceiling surface above the viewer. It is frequently used to create the illusion of an open sky, such as with the oculus in Andrea Mantegna's Camera degli Sposi, or the illusion of an architectural space such as the cupola, one of Andrea Pozzo's frescoes in Sant'Ignazio, Rome. Illusionistic ceiling painting belongs to the general class of illusionism in art, designed to create accurate representations of reality.
Shikhara, a Sanskrit word translating literally to "mountain peak", refers to the rising tower in the Hindu temple architecture of North India, and also often used in Jain temples. A shikhara over the garbhagriha chamber where the presiding deity is enshrined is the most prominent and visible part of a Hindu temple of North India.
Pneumoperitoneum is pneumatosis in the peritoneal cavity, a potential space within the abdominal cavity. The most common cause is a perforated abdominal organ, generally from a perforated peptic ulcer, although any part of the bowel may perforate from a benign ulcer, tumor or abdominal trauma. A perforated appendix seldom causes a pneumoperitoneum.
The Bibi-Khanym Mosque is one of the most important monuments of Samarkand, Uzbekistan. In the 15th century, it was one of the largest and most magnificent mosques in the Islamic world. It is considered a masterpiece of the Timurid Renaissance. By the mid-20th century, only a grandiose ruin of it still survived, but major parts of the mosque were restored during the Soviet period.
The Mughal emperor Jahangir is buried in a mausoleum dating from 1637, located in Shahdara Bagh near city of Lahore, along the banks of River Ravi, in Punjab, Pakistan. The site is famous for its interiors that are extensively embellished with frescoes and marble, and its exterior that is richly decorated with pietra dura. The tomb, along with the adjacent Akbari Sarai and the Tomb of Asif Khan, are part of an ensemble currently on the tentative list for UNESCO World Heritage status.
Gregorio de Ferrari was an Italian Baroque painter of the Genoese School.
Eastern Orthodox church architecture constitutes a distinct, recognizable family of styles among church architectures. These styles share a cluster of fundamental similarities, having been influenced by the common legacy of Byzantine architecture from the Eastern Roman Empire. Some of the styles have become associated with the particular traditions of one specific autocephalous Eastern Orthodox patriarchate, whereas others are more widely used within the Eastern Orthodox Church.
The Almoravid Qubba, also known as the Qubba al-Ba'diyyin or Qubbaal-Barudiyyin, is a small monument in Marrakesh, Morocco. It was erected by the Almoravid dynasty in the early 12th century. It is notable for its extraordinary decoration and for being one of the only remnants of Almoravid architecture in Marrakesh.
An abdominal x-ray is an x-ray of the abdomen. It is sometimes abbreviated to AXR, or KUB.
A roof lantern is a daylighting architectural element. Architectural lanterns are part of a larger roof and provide natural light into the space or room below. In contemporary use it is an architectural skylight structure.
A qubba, also transliterated as ḳubba, kubbet and koubba, is a cupola or domed structure, typically a tomb or shrine in Islamic architecture. In many regions, such as North Africa, the term qubba is applied commonly for the tomb of a local wali, and usually consists of a chamber covered by a dome or pyramidal cupola.
Heel tap sign, also called heel-jar or jar tenderness, is a clinical sign to identify appendicitis. It is found in patients with localized peritonitis. With the patient supine the right heel is elevated by 10-20 degrees is hit firmly with palm of the examiner's hand.
Cantor Church, is a Russian Orthodox church in Qazvin, Iran.
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