This results in inflammation (swelling and redness) of the body tissues in that area. The immune system responds like this to anything in the blood it does not recognise, and dies down when the infection has been cleared. [nhs.uk]

Neurologic manifestations include the following: Facial numbness and dysphagia Hoarseness Decreased gag reflex Headache Visual deficit Polydipsia Deafness Involvement of cranial nerves VII, VIII, IX, and X Basal granulomatous meningitis with involvement [emedicine.medscape.com]

Additional findings include abnormal eye movement, pupillary abnormalities, and visual hallucinations. [4] Musculoskeletal findings Musculoskeletal manifestations include myositis, bony lesions, and polyarthritis. [emedicine.medscape.com]

Systemic symptoms include fatigue, night sweats, weight loss, fever, arthralgia and myalgia. [ncbi.nlm.nih.gov]

fever, malaise) as well as cough, dyspnea, anterior uveitis, erythema nodosum, and arthralgia, and it is self-limiting after a few years. Chronic sarcoidosis has an insidious onset and is often asymptomatic in its early stages. [amboss.com]

Thus, a patient with sarcoidosis may present with back pain or sacroiliac pain. [emedicine.medscape.com]

Thus, a patient with sarcoidosis may present with back pain or sacroiliac pain. [emedicine.medscape.com]

Neurologic manifestations include the following: Facial numbness and dysphagia Hoarseness Decreased gag reflex Headache Visual deficit Polydipsia Deafness Involvement of cranial nerves VII, VIII, IX, and X Basal granulomatous meningitis with involvement [emedicine.medscape.com]

Additional findings include abnormal eye movement, pupillary abnormalities, and visual hallucinations. [4] Musculoskeletal findings Musculoskeletal manifestations include myositis, bony lesions, and polyarthritis. [emedicine.medscape.com]

increased protein, increased lymphocytes Involvement of the hypothalamic-pituitary axis - Manifests with pituitary insufficiency, optic chiasm compression, DI Seizures Vasculitis [6] Peripheral neuropathy - Possibly manifesting with paresthesias and [emedicine.medscape.com]

Electrocardiography Electrocardiography may reveal the following: Signs of hypercalcemia (eg, decreased QT interval) Ventricular tachycardia Bundle-branch block or complete heart blocks ST elevation, PR depression caused by pericarditis, or ST elevation [emedicine.medscape.com]

An association with HLA-B27 has been determined, suggesting an association between sarcoidosis and spondyloarthropathy. Thus, a patient with sarcoidosis may present with back pain or sacroiliac pain. [emedicine.medscape.com]