# Inaugural Scalp Metastasis of Pulmonary Squamous Cell Carcinoma: A Rare Case Report and Literature Review

## TL;DR

This paper reports a rare case of scalp metastasis from lung cancer and reviews similar cases to improve early diagnosis and treatment.

## Contribution

The novelty lies in presenting a rare scalp metastasis case and summarizing 22 similar cases to enhance clinical awareness.

## Key findings

- Scalp metastasis from pulmonary squamous cell carcinoma is rare and often misdiagnosed.
- Early recognition of skin metastasis can improve patient outcomes.
- A literature review of 22 cases highlights the importance of accurate diagnosis.

## Abstract

原发性肺鳞癌远处转移中皮肤转移是一件罕有发生的事，而头皮转移作为患者首发的临床表现更加少见。头部皮肤转移灶很容易误诊为其他头部疾病，但它的出现提示着肺癌恶化与预后不良。这篇病例报告记录了1例以头部皮肤毛囊炎为首发表现就诊于皮肤科，通过影像学诊断为肺恶性肿瘤后转科至胸外科，头部病灶切除病理提示为肺癌的远处转移灶的女性患者，并对报道过类似病例的文章进行回顾总结。本文旨在增进对肺癌皮肤转移的了解和认识，提高对该类疾病的重视，加强早期识别、精准诊断，防止临床上对该疾病漏诊与误诊，最终达成推进后续的治疗、改善患者预后的目的。

Clinical characteristics of 22 cases