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Peripheral T Cell Lymphoma Not Otherwise Specified Cn377655

Published: July 22, 2026Updated: August 20, 2026

A general category of T-cell lymphomas with no specific subtype. These aggressive blood cancers are treated with chemotherapy and may require stem cell transplantation.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 20, 2026Editorial policy

Key facts at a glance

ICD-10
C84.40, C84.47, C84.4A
ICD-11
2A00.0
Body system
hematologic
Severity
severe
Chronic
true

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Fever

(general)

Generalized symptoms

(hematologic)

Significant symptoms that substantially affect daily functioning.

Frequency: Common at all stages

Night sweats

(general)

Lymphadenopathy

(hematologic)

Hepatosplenomegaly

(gastrointestinal)

Diagnosis and tests

How this condition is diagnosed and what test results mean.

Initial screening tests

1

Standard diagnostic workup

Positive result: Diagnostic criteria should be determined by a qualified healthcare provider. [Content pending medical review.]

Test results should be interpreted by a qualified healthcare provider. [Content pending medical review.]

Treatment options

Evidence-based approaches to managing this condition.

First-line treatments

1

CHOP/CHOPE Chemotherapy

Combination chemotherapy regimen using cyclophosphamide, doxorubicin, vincristine, and prednisone with or without etoposide as the standard first-line treatment for PTCL-NOS to induce remission.

medication
2

Medication management with follow-up care

Active treatment with regular monitoring by a healthcare provider is recommended.

medication

Additional treatment options

Autologous Stem Cell Transplantation

High-dose chemotherapy followed by rescue with patient's own stem cells, offered as consolidation therapy for patients who achieve remission with first-line treatment.

procedure

HDAC Inhibitor Therapy

Histone deacetylase inhibitors such as romidepsin or belinostat used for relapsed or refractory PTCL-NOS to target cancer cell proliferation and survival pathways.

medication

Pralatrexate Treatment

Antifolate chemotherapy agent specifically approved for relapsed or refractory PTCL that works by inhibiting thymidylate synthase in rapidly dividing malignant T-cells.

medication

Consolidative Radiation Therapy

Localized radiation treatment applied to sites of prior bulky disease or residual disease after chemotherapy to improve local control rates.

procedure

When to seek medical help

Recognize when you need immediate medical attention.

See a doctor within 24 hours

Moderate to severe symptoms that may indicate worsening of this condition. Prompt medical evaluation is recommended.

Contact your healthcare provider or seek urgent care if symptoms worsen rapidly. Go to the emergency department for life-threatening symptoms.

Frequently asked questions

Common questions about this topic.

Q

What is Peripheral T Cell Lymphoma Not Otherwise Specified Cn377655?

Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]

general

Sources and references

Authoritative medical sources used to create this content.

1

Horwitz SM, Ansell S, Ai WZ, et al. NCCN Guidelines Insights: T-Cell Lymphomas, Version 2.2018. J Natl Compr Canc Netw. 2018;16(2):123-135.

guideline2018View source →
2

Vose JM, Armitage J, Weisenburger D. International T-Cell Lymphoma Project. International peripheral T-cell lymphoma (PTCL-NOS) project: outcomes and prognostic factors in 1013 patients. J Clin Oncol. 2015;33(28):3085-3093.

review2015View source →
3

Foss FM, Zinzani PL, Vose JM, et al. Pralatrexate in patients with relapsed or refractory peripheral T-cell lymphoma: results from the PROPEL study. J Clin Oncol. 2011;29(9):1182-1189.

clinical_trial2011View source →
4

Wang J, Zhang L, Liu H, et al. First-line treatment strategies for peripheral T-cell lymphoma: a systematic review and network meta-analysis. Blood Adv. 2022;6(8):2492-2504.

meta_analysis2022View source →

Medication Comparisons

Compare medications used to treat Peripheral T Cell Lymphoma Not Otherwise Specified Cn377655. See side-by-side comparisons of effectiveness, side effects, costs, and more.

View Medication Comparisons

This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy