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Related Concept Videos

Secondary Lymphoid Organs01:15

Secondary Lymphoid Organs

Secondary organs, including lymph nodes, the spleen, and mucosa-associated lymphoid tissue (MALT), work harmoniously to protect us from disease and infection.
The spleen is a vital organ in the lymphatic system, nestled in the upper left side of the abdomen. It is composed of two primary regions: the red pulp and the white pulp, each having distinct functions. The red pulp performs a significant role in blood filtration. It efficiently purges the blood of old or damaged red blood cells and...
Primary Lymphoid Organs01:16

Primary Lymphoid Organs

Primary lymphoid organs are pivotal in the formation, development, and maturation of lymphocytes, the white blood cells that serve as the backbone of our immune system. This crucial function underscores their fundamental role in maintaining our overall health and immunity. The two primary lymphoid organs of prime importance are the red bone marrow and the thymus.
The red bone marrow is a soft, spongy tissue nestled in the interior of long bones such as the humerus and femur. It is the site...
Detailed Structure and Function of Lymph Nodes01:23

Detailed Structure and Function of Lymph Nodes

Lymph nodes are bean-shaped structures that cluster along the lymphatic vessels in the inguinal, axillary, and cervical regions. Each node is divided into compartments by a capsule that extends trabeculae inward.
From a histological perspective, lymph nodes can be split into two main areas: the superficial cortex and the deep medulla. The outer cortex is populated by dendritic cells, macrophages, and B lymphocytes, which are densely packed into follicles. When these B-lymphocytes are presented...

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Related Experiment Video

Updated: May 7, 2026

Cell-Free DNA Extraction of Vitreous and Aqueous Humor Specimens for Diagnosis and Monitoring of Vitreoretinal Lymphoma
06:20

Cell-Free DNA Extraction of Vitreous and Aqueous Humor Specimens for Diagnosis and Monitoring of Vitreoretinal Lymphoma

Published on: January 12, 2024

Orbital lymphomas: clinical and radiological features.

Giovanni Gerbino1, Paolo Boffano1, Rodolfo Benech1

  • 1Division of Maxillofacial Surgery, Head and Neck Department, San Giovanni Battista Hospital, University of Turin, Corso Dogliotti 14, 10126 Torino, Italy.

Journal of Cranio-Maxillo-Facial Surgery : Official Publication of the European Association for Cranio-Maxillo-Facial Surgery
|September 21, 2013
PubMed
Summary

This study highlights key clinical and radiological features of orbital lymphomas, most commonly extranodal marginal-zone lymphomas, in Italian patients. Early diagnosis and understanding staging are vital for effective multidisciplinary management.

Keywords:
ImagingManagementOrbital lymphomaSurgery

Related Experiment Videos

Last Updated: May 7, 2026

Cell-Free DNA Extraction of Vitreous and Aqueous Humor Specimens for Diagnosis and Monitoring of Vitreoretinal Lymphoma
06:20

Cell-Free DNA Extraction of Vitreous and Aqueous Humor Specimens for Diagnosis and Monitoring of Vitreoretinal Lymphoma

Published on: January 12, 2024

Area of Science:

  • Ophthalmology
  • Oncology
  • Radiology

Background:

  • Orbital lymphomas are rare neoplasms that can present with nonspecific clinical and radiological features, making diagnosis challenging.
  • Accurate characterization is essential for appropriate staging and treatment planning.

Purpose of the Study:

  • To evaluate the clinical and radiological characteristics of orbital lymphomas.
  • To identify common histological subtypes and anatomical locations within the orbit.

Main Methods:

  • Prospective study of consecutive orbital lymphoma cases from two institutions.
  • Data collection included patient demographics, symptoms, clinical findings, histological type, lesion site, imaging, and systemic involvement.

Main Results:

  • The study included 20 patients with a mean age of 63.65 years.
  • Most orbital lymphomas were located in the superior-lateral quadrant, frequently involving the superior rectus muscle.
  • Extranodal marginal-zone lymphomas were the most common histological type.

Conclusions:

  • Orbital lymphoma diagnosis can be challenging due to nonspecific presentation.
  • Understanding the staging process is crucial for multidisciplinary management, even if not primarily managed by maxillofacial surgeons.