Could coughing up blood-stained sputum be laryngeal cancer?

Written by Yuan Qing
Pulmonology
Updated on May 05, 2025
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Coughing up phlegm with blood does not necessarily indicate throat cancer. In fact, coughing up phlegm with blood refers to the presence of blood in the phlegm, which should not be confused with coughing up blood. There are many reasons for blood in the phlegm, and the first step is to rule out whether the blood is coming from the nose or the mouth. The nose is connected to the throat through the pharynx. If there is bleeding in the nose, it can also enter the pharyngeal area. Therefore, when blood is observed in the phlegm, it might be mistakenly believed to come from the lower respiratory tract. Additionally, bleeding from the oral cavity or teeth can also mix with the phlegm. After ruling out these two sources, the blood might originate from the lower respiratory tract. The common reasons for blood from the lower respiratory tract include vascular dilation, tuberculosis, and bronchial lung cancer. These conditions require medical examination to confirm. However, it is impossible to diagnose based on symptoms alone. But at least, coughing up phlegm with blood should not be immediately attributed to lung cancer, as there are many diseases that can cause this symptom.

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Written by Li Rui
Otolaryngology
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What are the symptoms of early-stage throat cancer?

The early symptoms of laryngeal cancer vary: some people exhibit typical symptoms while others show atypical symptoms or even no symptoms initially. For glottic laryngeal cancer, one of the earlier symptoms is hoarseness. This type of cancer occurs in the vocal cords area, which can affect closure of the vocal cords during speech, causing hoarseness. Some patients may also experience throat pain, abnormal bloody discharge from the throat, or have difficulties in breathing and swallowing, which could all be symptoms of laryngeal cancer. However, some patients may not show any symptoms in the early stages, especially those with supraglottic or subglottic laryngeal cancer, where early symptoms are not typical. Symptoms might only appear in the mid to late stages. Therefore, it is necessary to use a laryngoscope for examination and to perform a neck CT for a comprehensive evaluation.

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Written by Deng Bang Yu
Otolaryngology
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Can you speak after laryngeal cancer surgery?

Laryngeal cancer is a malignant tumor of the larynx, and the clinical treatment is mainly surgical, including radiation therapy, chemotherapy, and comprehensive treatment. Whether one can speak after surgery depends on the method of the surgery. Total laryngectomy renders the patient unable to speak. We can help the patient speak through esophageal speech, electronic larynx, and other assistive devices, but there is a significant difference in the sound quality and volume compared to normal speech. With partial laryngectomy, depending on the specific situation, the patient may be able to speak, but the quality of speech still differs greatly from normal speech. Overall, it depends on the condition of the laryngeal cancer and the surgical approach.

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Written by Deng Bang Yu
Otolaryngology
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What is throat cancer diagnosed through?

Laryngeal cancer is a relatively common disease in otolaryngology. It is divided into several types, such as glottic cancer, supraglottic cancer, subglottic cancer, and transglottic cancer. The clinical diagnosis of laryngeal cancer first requires a medical history, such as a long-term history of smoking and viral infections. Clinically, patients may present with chronic hoarseness and physical examinations can reveal tumorous tissue growth. Additional diagnostic tools include the use of a laryngoscope, as well as CT or MRI imaging studies. The most crucial standard for definitive diagnosis is the examination of pathological tissues, specifically biopsy. During the clinical diagnostic process, it is also necessary to differentiate between laryngeal cancer and conditions that may present similarly, such as laryngeal papillomatosis, to definitively diagnose laryngeal cancer. This outlines the clinical diagnostic procedure for laryngeal cancer.

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Written by Li Rui
Otolaryngology
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The Difference Between Throat Cancer and Esophageal Cancer

Throat cancer and esophageal cancer have essential differences, starting with the specific location of the disease. Throat cancer primarily occurs in the glottis and the supraglottic area, while esophageal cancer mainly occurs in the esophagus. Typically, the symptoms of throat cancer may be more characteristic, the most common being a foreign body sensation in the throat, throat pain, and hoarseness. Particularly, glottic throat cancer symptoms are more pronounced, which might include persistent and noticeable hoarseness. The primary symptoms of esophageal cancer are pain below the neck, which may be accompanied by difficulty swallowing or swallowing obstruction. For diagnosis, throat cancer is primarily assessed via laryngoscopy, while esophageal cancer is typically evaluated through gastroscopy. In terms of treatment, the approach generally focuses on surgery, potentially supplemented by radiotherapy and chemotherapy.

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Written by Li Rui
Otolaryngology
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Is the embryonic antigen high in throat cancer?

Throat cancer is a relatively common otolaryngology disease and also belongs to a common type of head and neck malignant tumor. Generally, the carcinoembryonic antigen does not show obvious elevation because, currently, there are no characteristic tumor markers for throat cancer. Diagnosis is mainly based on the clinical experience of doctors, combined with laryngoscopic examination and CT scan of the throat area. For patients with throat cancer, it is advised to promptly visit an otolaryngology clinic after the onset of the disease and undergo related auxiliary examinations to clarify the specific extent of the condition. Common treatment methods include surgery, radiotherapy, and chemotherapy. A targeted treatment plan should be chosen based on the clinical staging of the patient.