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Nose and Nasal Cavity

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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...

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Related Experiment Video

Updated: Jun 9, 2026

Anterior High-Resolution Optical Coherence Tomography in the Diagnosis and Therapeutic Monitoring of Ocular Surface Squamous Neoplasia

Anterior High-Resolution Optical Coherence Tomography in the Diagnosis and Therapeutic Monitoring of Ocular Surface Squamous Neoplasia

Published on: August 9, 2024

A nodulo-ulcerative lesion on the nose.

Paulo Morais¹, Olga Ferreira, Ana Nogueira

¹Department of Dermatology and Venereology, Faculty of Medicine, University of Porto, Porto, Portugal.

Dermatology Online Journal

|September 1, 2010

Summary

Lupus vulgaris, a form of cutaneous tuberculosis, can be destructive. Early suspicion and diagnosis are crucial for managing this condition, especially in older adults.

Related Experiment Videos

Last Updated: Jun 9, 2026

Anterior High-Resolution Optical Coherence Tomography in the Diagnosis and Therapeutic Monitoring of Ocular Surface Squamous Neoplasia

Anterior High-Resolution Optical Coherence Tomography in the Diagnosis and Therapeutic Monitoring of Ocular Surface Squamous Neoplasia

Published on: August 9, 2024

Area of Science:

Dermatology
Infectious Diseases
Microbiology

Background:

Lupus vulgaris (LV) is a chronic, progressive cutaneous tuberculosis manifestation.
It typically affects individuals with moderate to high immunity and prior sensitization.

Observation:

A case of lupus vulgaris on the nose of an 84-year-old female is presented.
The lesion's location and the patient's age are key features of this case.

Findings:

The study discusses diagnostic approaches for cutaneous tuberculosis.
Treatment modalities for lupus vulgaris are reviewed and analyzed.

Implications:

Highlights the importance of a high index of suspicion for diagnosing LV.
Emphasizes timely diagnosis and management to prevent destructive outcomes.