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Related Concept Videos

Goiter01:27

Goiter

Goiter refers to an abnormal enlargement of the thyroid gland that may appear as a diffuse goiter (uniform enlargement) or nodular (single or multiple nodules). Functionally, it is classified as nontoxic (normal/low hormone levels) or toxic (excess hormone production).PathophysiologyDiffuse thyroid enlargement typically results from prolonged stimulation by thyroid-stimulating hormone (TSH) or TSH-like agents, commonly seen in hypothyroidism or iodine deficiency. In contrast, in hyperthyroid...
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: Jun 22, 2026

Quantification of Tumor Cell Adhesion in Lymph Node Cryosections
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[Clinical analysis on giant lymph node hyperplasia on neck].

Shi-hong Ma1, Qin-jiang Liu, Jun Wang

  • 1Department of Head Neck Surgery, Tumor Hospital of Gansu Province, Lanzhou 730050, China. mashihong0901@yahoo.com.cn

Zhonghua Er Bi Yan Hou Tou Jing Wai Ke Za Zhi = Chinese Journal of Otorhinolaryngology Head and Neck Surgery
|June 30, 2009
PubMed
Summary

Castleman

Area of Science:

  • Oncology
  • Pathology
  • Surgical Oncology

Background:

  • Castleman's disease (CD), a rare lymphoproliferative disorder, presents diagnostic challenges, particularly in the neck region.
  • Misdiagnosis of CD can lead to delayed or inappropriate treatment, impacting patient outcomes.
  • Accurate diagnosis relies on histopathological examination of lymph node biopsies.

Purpose of the Study:

  • To enhance the diagnostic and management strategies for Castleman's disease.
  • To provide clinical insights for differential diagnosis of neck lymphadenopathy.
  • To analyze misdiagnosed cases to identify key diagnostic features.

Main Methods:

  • Retrospective analysis of 10 misdiagnosed cases of Castleman's disease.
  • Classification of cases based on Frizzera's criteria (localized vs. multicentric, histopathological subtypes).

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  • Review of clinical presentation, diagnostic process, treatment, and follow-up data.

    • Main Results:

    • All 10 patients underwent surgical treatment after initial misdiagnosis.
    • Eight cases were localized CD (6 hyaline-vascular, 2 mixed type); two were multicentric CD (1 plasma cell, 1 mixed type).
    • Clinical presentation included painless neck lymphadenopathy; multicentric cases showed systemic symptoms/multi-organ damage. Long-term survival observed, with one recurrence managed successfully.

    Conclusions:

    • Neck Castleman's disease is rare and prone to misdiagnosis.
    • Histopathological analysis of lymph node biopsy is crucial for diagnosis.
    • Surgical intervention is the primary treatment for localized and uncomplicated multicentric CD.