Korean J Sports Med.  2016 Dec;34(2):181-184. 10.5763/kjsm.2016.34.2.181.

A Metastatic Lung Adnocarcinoma Misdiagnosed as Trauma Induced Sternoclavicular Joint Arthrosis

Affiliations
  • 1Orthopaedic Oncology Clinic, National Cancer Center, Goyang, Korea.
  • 2Department of Orthopedic Surgery, Myongji Hospital, Seonam University College of Medicine, Goyang, Korea. doctoryub@naver.com

Abstract

The prevalence of metastatic tumorous lesion at medial clavicle or sternoclavicular joint is low. Herein, we presented a 45-year-old female patient with left sternoclavicular joint pain followed a weight-lifting exercise. The patient was initially diagnosed as traumatic sternoclavicular arthrosis, however, on later computed tomography scan demonstrated the bony destruction of medial clavicle which was diagnosed as metastasized non-small cell lung carcinoma after a fine needle biopsy.

Keyword

Lung cancer; Sternoclavicular; Arthrosis; Metastasis; Adenocarcinoma

MeSH Terms

Adenocarcinoma
Biopsy, Fine-Needle
Clavicle
Female
Humans
Lung Neoplasms
Lung*
Middle Aged
Neoplasm Metastasis
Prevalence
Sternoclavicular Joint*

Figure

  • Fig. 1. No specific abnormality was observed on clavicular X-ray at first visit (A). However, the periarticular soft tissue swelling with subcutaneous fat infiltration was observed at left sternoclavicular joint (white arrow) (B).

  • Fig. 2. The periarticular soft tissue swelling with subcutaneous fat infiltration was observed at left sternoclavicular joint after 2 month (white arrow) (A). With 2-month interval, the osterolysis with sternoclavicular joint destruction was progressed rapidly (white arrow) (B). The destructive pattern of medial clavicle was observed at 4-month follow-up after the first visit (C).

  • Fig. 3. A bony expansile and osteolytic solid mass lesion with heterogenity on medial end of left clavicle with 3.1×3.6×2.8 cm size was observed on ultrasonography (A) and no intralesional vascularity was observed by color Doppler study (B).

  • Fig. 4. Adenocarcinoma with subtle papillary pattern (asterisks) was noticed on H&E stain of core biopsied tissue (H&E, ×200).


Reference

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