Evidence map›Paper›PMID 27588138›Full record

ArticleOncology letters2016

Medullary metastasis of a malignant peripheral nerve sheath tumor: A case report.

Tomohito Hagi, Tomoki Nakamura, Ayumu Yokoji, Akihiko Matsumine, Akihiro Sudo

Open access · diamondAbstract read
In one paragraph

Article in Oncology letters, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.

0numbers the graph read from it
0cells of the map it votes in
8citing papers in PubMed
0.4field-weighted citation impact, top 31% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

8 citing papers in PubMed, 9 citations in OpenAlex.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

5 authors at 2 institutions in 1 country.

Tomohito HagiDepartment of Orthopedic Surgery, Mie University Graduate School of Medicine, Tsu, Mie 514-8507, Japan.
Tomoki NakamuraDepartment of Orthopedic Surgery, Mie University Graduate School of Medicine, Tsu, Mie 514-8507, Japan.
Ayumu YokojiDepartment of Anesthesiology, Mie University Hospital, Tsu, Mie 514-8507, Japan.
Akihiko MatsumineDepartment of Orthopedic Surgery, Mie University Graduate School of Medicine, Tsu, Mie 514-8507, Japan.
Akihiro SudoDepartment of Orthopedic Surgery, Mie University Graduate School of Medicine, Tsu, Mie 514-8507, Japan.
Mie University · JPMie University Hospital · JP

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The present study reports a case of medullary metastasis without lung metastasis that occurred as a result of a malignant peripheral nerve sheath tumor (MPNST). An 81-year-old woman presented with a MPNST in the left brachial plexus, arising from the cervical nerve root. The patient underwent carbon ion radiotherapy; however, tumor recurrence was identified in the left shoulder. Subsequently, the patient underwent wide excision. Three weeks subsequent to surgery, imbalance and dysarthria developed suddenly. Dysphagia emerged and left upper limb pain disappeared on the day after symptom development. Magnetic resonance imaging (MRI) revealed that this was due to metastasis to the medulla. Five days subsequent to the onset of dysarthria, the patient succumbed due to respiratory failure. To the best of our knowledge, no previous cases of medullary metastasis arising from a MPNST in the absence of lung metastasis have been reported. MRI is a useful examination tool for the identification of brain metastases; however, the high cost of MRI as a routine examination must be considered due to the rarity of brain metastases. Therefore, methods to detect brain metastasis warrant further investigation.

Indexed as

brainstem metastasismalignant peripheral nerve sheath tumor

Identifiers

PMID27588138
PMCPMC4998140
OpenAlexW2466693589

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.