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Related Concept Videos

Nose and Nasal Cavity01:24

Nose and Nasal Cavity

The nose is composed of an observable exterior segment (external nose) and an internal segment within the skull known as the nasal cavity (internal nose). The external nose, visible on the face, consists of a framework of bone and hyaline cartilage enveloped in skin and muscle and lined with a mucous membrane. This structure is supported by the frontal bone, nasal bones, and maxillary bone and is supplemented by a cartilaginous framework comprising the septal nasal cartilage, lateral nasal...
Cranial Bones: Lateral View01:27

Cranial Bones: Lateral View

The lateral view of the cranium is dominated by temporal, sphenoid, and ethmoid bones.
The temporal bone forms the lower lateral side of the skull. The temporal bone is subdivided into several regions. The flattened upper portion is the squamous portion of the temporal bone. Below this area and projecting anteriorly is the zygomatic process of the temporal bone, which forms the posterior portion of the zygomatic arch. Posteriorly is the mastoid portion of the temporal bone. Projecting...
Brain Abscess l: Introduction01:26

Brain Abscess l: Introduction

A brain abscess is a focal, intracerebral infection characterized by a localized collection of pus within the brain parenchyma, resulting from microbial invasion and the body’s inflammatory response. It progresses through stages: early and late cerebritis, followed by early and late capsule formation, reflecting tissue destruction, immune response, and eventual encapsulation.Etiology and PathogenesisCausative organisms vary with source and host factors, often involving polymicrobial infections,...
Olfactory Receptors: Location and Structure01:03

Olfactory Receptors: Location and Structure

The process of olfaction, also known as the sense of smell, is a sophisticated chemical response system. The specialized sensory neurons that facilitate this process, known as olfactory receptor neurons, are situated in an upper segment of the nasal cavity, known as the olfactory epithelium. Olfactory sensory neurons are bipolar, with their dendrites extending from the epithelium's apex into the mucus that lines the nasal cavity. Airborne molecules, when inhaled, traverse the olfactory...
Prosopagnosia01:24

Prosopagnosia

Prosopagnosia, also known as face blindness, is the inability to recognize faces. In severe cases, individuals with prosopagnosia may not recognize close family members, including parents and spouses, by their faces. For instance, someone with prosopagnosia might walk past their child in a crowd, only realizing their mistake upon noticing their child's distinctive backpack or favorite jacket. Prosopagnosia specifically impairs facial recognition, while the recognition of other objects or...
Cranial Bones: Superior and Posterior View01:14

Cranial Bones: Superior and Posterior View

The superior view of the cranium shows the frontal and paired parietal bones.
The frontal bone is the single bone that forms the forehead. At its anterior midline, between the eyebrows, there is a slight depression called the glabella. The frontal bone also forms the supraorbital margin of the orbit. Near the middle of this margin is the supraorbital foramen, the opening that provides passage for a sensory nerve to the forehead. The frontal bone is thickened just above each supraorbital margin,...

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Related Experiment Video

Updated: May 17, 2026

Intrathecal Application of a Fluorescent Dye for the Identification of Cerebrospinal Fluid Leaks in Cochlear Malformation
06:59

Intrathecal Application of a Fluorescent Dye for the Identification of Cerebrospinal Fluid Leaks in Cochlear Malformation

Published on: February 29, 2020

An encephalocele replacing nose completely.

G Dasgupta1

  • 1Tinplate Hospital, 831 003 Jamshedpur, India.

Indian Journal of Otolaryngology and Head and Neck Surgery : Official Publication of the Association of Otolaryngologists of India
|November 3, 2012
PubMed
Summary
This summary is machine-generated.

Congenital nasal encephalocele, a rare condition where brain tissue protrudes through a skull defect, is discussed. This case study details a boy whose nose was entirely replaced by this rare congenital abnormality.

Keywords:
DermoidsEncephaloceleGliomaMeningocele

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Last Updated: May 17, 2026

Intrathecal Application of a Fluorescent Dye for the Identification of Cerebrospinal Fluid Leaks in Cochlear Malformation
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Area of Science:

  • Neurology
  • Pediatric Surgery
  • Craniofacial Abnormalities

Background:

  • Congenital encephalocele is a rare neural tube defect characterized by protrusion of brain tissue through a cranial fissure.
  • Nasal encephaloceles, specifically, are exceptionally uncommon, often presenting diagnostic and surgical challenges.

Purpose of the Study:

  • To report an extremely rare case of congenital nasal encephalocele completely replacing the nasal structure in a pediatric patient.
  • To discuss the clinical presentation, diagnostic considerations, and management of similar rare swellings in the nasal region.

Main Methods:

  • Case presentation of a five-year-old boy with a congenital encephalocele.
  • Review of relevant literature concerning nasal encephaloceles and similar craniofacial swellings.

Main Results:

  • The patient presented with a large mass completely replacing the nasal anatomy, diagnosed as a congenital encephalocele.
  • Discussion highlights the rarity and potential complexities in managing such cases.

Conclusions:

  • Congenital nasal encephalocele is a rare but significant condition requiring specialized diagnostic and surgical approaches.
  • Further case reports and reviews are valuable for understanding and managing these rare craniofacial anomalies.