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Haemoptysis with subtle computed tomography signs

Anas Al Fahad, Sylvia Worthy, Stephen J. Bourke
Breathe 2019 15: e28-e30; DOI: 10.1183/20734735.0317-2018
Anas Al Fahad
1Respiratory Medicine Dept, Royal Victoria Infirmary, Newcastle upon Tyne, UK
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  • For correspondence: anas78doctor@yahoo.co.uk
Sylvia Worthy
2Radiology Dept, Royal Victoria Infirmary, Newcastle upon Tyne, UK
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Stephen J. Bourke
1Respiratory Medicine Dept, Royal Victoria Infirmary, Newcastle upon Tyne, UK
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Abstract

Can you diagnose this 70-year-old woman with a 6-month history of dry cough and intermittent minor haemoptyis? http://ow.ly/klfE30nAlhH

A 70-year-old woman was referred to the respiratory department with a 6-month history of dry cough and intermittent minor haemoptyis. This was associated with a sensation of chest discomfort and some shortness of breath on moderate exertion with no orthopnoea or paroxysmal nocturnal dyspnoea. She had a background of coronary artery disease treated by stenting two years previously. She also had a hiatus hernia, type 2 diabetes and cervical spondylosis.

She had had no significant childhood lung diseases and there was no family history of any respiratory disease. She had stopped smoking 17 years previously but had smoked 20 cigarettes·day−1 for 40 years. She had no nasal or laryngeal symptoms and did not have any symptoms of gastro-oesophageal reflux or aspiration.

Examination was normal with no stridor, wheeze or crackles. Spirometry was normal with a forced expiratory volume in one second (FEV1) of 2.2 L (99% predicted), and vital capacity (VC) of 2.67 litres with FEV1/VC ratio of 0.82. A chest radiograph (figure 1) appeared normal. A computed tomography scan was performed (figure 2).

Figure 1
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Figure 1

Chest radiograph.

Figure 2
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Figure 2

Computed tomography at the level of the trachea.

Task 1

Describe the computed tomography appearances on the image at the level of the trachea (figure 2) and what the next appropriate investigation to perform would be?

Answer 1

The computed tomography shows nodularity and flecks of calcium in the trachea. Bronchoscopy would allow direct assessment of the trachea and bronchi.

Figure 3
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Figure 3

Bronchoscopy.

Figure 4
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Figure 4

Bronchoscopy.

Task 2

Describe the appearances seen at bronchoscopy (figures 3 and 4). What is the diagnosis?

Answer 2

At bronchoscopy, “cobblestone nodules” were seen protruding into the lumen of trachea and main bronchi, sparing the posterior wall (figure 3), and a “stalactite grotto” appearance in the left upper lobe bronchus (figure 4). The appearances are characteristic of tracheobronchopathia osteochondroplastica.

Biopsy confirmed nodules of cartilage with focal ossification (figure 5). Sirus and Congo red stains for amyloid were negative.

Figure 5
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Figure 5

Histopathalogical slide.

Discussion

Tracheobronchopathia osteochondroplastica is a benign condition characterised by abnormal outgrowths of cartilaginous tissue into the lumen of the trachea, central bronchi and larynx [1]. The nodules may undergo ossification with calcification giving rise to nodules and flecks of calcification visible on computed tomography imaging [2]. The bronchoscopic appearances are often dramatic with hard nodules of tissue in the submucosa of the trachea and central airways, variously described as “cobblestone nodules” or “stalactite grotto” appearances. Typically, the nodules affect the anterior and lateral walls, but spare the posterior membranous portion of the trachea. The differential diagnosis includes calcified amyloidosis, endobronchial sarcoidosis, calcified tuberculosis, papillomatosis and tracheobronchial calcinosis.

The aetiology and pathogenesis are unknown but the nodules seem to arise from the cartilage of the airways, thus sparing the posterior tracheal membrane. Immunohistochemical studies have detected bone morphogenetic protein 2 and transforming growth factor beta 1 in the nodules, but provoking factors are not understood [3]. The usual age at diagnosis is about 65 years, but cases have been described in children and in families with a mother and daughter affected [4]. Laryngeal involvement may occur, resulting in hoarseness and stridor. Often tracheobronchopathia osteochondroplastica is a co-incidental finding at bronchoscopy or at autopsy. It usually follows a benign course over many years and doesn't necessarily cause symptoms. Cough, sputum, haemoptysis and sometimes chest discomfort may occur. Lung function tests are usually normal. Occasionally the nodules are sufficiently widespread as to cause obstruction on spirometry or flow–volume loops. If the nodules occlude a lobar bronchus then distal infection may occur. Treatment is often not needed. Bronchoscopic removal of obstructing lesions or stenting of the trachea has rarely been performed [5].

Footnotes

  • Conflict of interest: A. Al Fahad has nothing to disclose.

  • Conflict of interest: S. Worthy has nothing to disclose.

  • Conflict of interest: S.J. Bourke has nothing to disclose.

  • Copyright ©ERS 2019
http://creativecommons.org/licenses/by-nc/4.0/

Breathe articles are open access and distributed under the terms of the Creative Commons Attribution Non-Commercial Licence 4.0.

References

  1. ↵
    1. Leske V,
    2. Lazor R,
    3. Coetmeur D, et al.
    Tracheobronchopathia osteochondroplastica: a study of 41 patients. Medicine 2001; 80: 378–390.
    OpenUrlCrossRefPubMed
  2. ↵
    1. Restrepo S,
    2. Pandit M,
    3. Villamil M, et al.
    Tracheobronchopathia osteochondroplastica: helical CT findings in 4 cases. J Thoracic Imaging 2004; 19: 112–116.
    OpenUrlCrossRefPubMed
  3. ↵
    1. Tajima K,
    2. Yamakawa M,
    3. Katagiri T, et al.
    Immunohistochemical detection of bone morphogenetic protein-2 and transforming growth factor beta-1 in tracheopathia osteochondroclastica. Virchow Arch 1997; 431: 359–363.
    OpenUrlCrossRefPubMed
  4. ↵
    1. Prakash U
    . Tracheopathia osteoplastica: familial occurrence. Mayo Clin Proc 1989; 64: 1091–1096.
    OpenUrlCrossRefPubMed
  5. ↵
    1. Khan AM,
    2. Shim C,
    3. Simmons N, et al.
    Tracheobronchpathia osteochondroplastica: a rare cause of tracheal stenosis. J Thorac Cardiovasc Surg 2006; 132: 714–716.
    OpenUrlCrossRefPubMed
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Haemoptysis with subtle computed tomography signs
Anas Al Fahad, Sylvia Worthy, Stephen J. Bourke
Breathe Mar 2019, 15 (1) e28-e30; DOI: 10.1183/20734735.0317-2018

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Haemoptysis with subtle computed tomography signs
Anas Al Fahad, Sylvia Worthy, Stephen J. Bourke
Breathe Mar 2019, 15 (1) e28-e30; DOI: 10.1183/20734735.0317-2018
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