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Arq. neuropsiquiatr ; 74(7): 544-548, tab, graf
Article in English | LILACS | ID: lil-787371

ABSTRACT

ABSTRACT The purpose of this case series is to report eight patients with giant prolactinomas emphasizing presentations and a treatment complication. The study group included six men and two women. The median age was 29 years (18–54 years); median serum prolactin level was 4,562 ng/ml (1,543–18,690 ng/ml); three patients (37.5%) had panhypopituitarism; median tumor diameter was 50 mm (41–60 mm). Five patients (62.5%) had visual field defects and three had improvement during treatment; six patients (75%) reached prolactin normalization, with a median time of 10.5 months (7–84 months) and median dose of 2.0 mg/week (1.0 to 3.0 mg/week). One patient presented as a true incidentaloma. One patient presented a cerebrospinal fluid leakage during medical treatment and refused surgery, however this resolved with conservative measures. This case series illustrate a rare subtype of macroprolactinomas, the importance of considering unusual presentations at the diagnosis, the effectiveness of pharmacological treatment and its possible complications.


RESUMO O objetivo desta série de casos é relatar oito pacientes com prolactinomas gigantes enfatizando as formas de apresentação e uma complicação do tratamento. O estudo incluiu seis homens e duas mulheres. A mediana de idade foi 29 anos (18–54); e dos níveis de prolactina foi 4.562 ng/ml (1.543–18.690); três pacientes (37,5%) apresentaram pan-hipopituitarismo; a mediana do máximo diâmetro tumoral foi 50 mm (41–60 mm). Cinco pacientes (62,5%) apresentaram alterações no campo visual e três tiveram melhora durante o tratamento; seis pacientes (75%) alcançaram normalização da prolactina em 10,5 meses (7–84) com dose mediana de cabergolina de 2,0 mg / semana (1,0 a 3,0). Um paciente se apresentou como um verdadeiro incidentaloma. Um paciente apresentou uma fistula liquórica durante o tratamento medicamentoso e recusou correção cirúrgica. No entanto a fistula foi resolvida com medidas conservadoras. Esta série de casos ilustra um subtipo raro de macroprolactinomas, a importância de considerar apresentações incomuns no diagnóstico, a eficácia do tratamento farmacológico e suas possíveis complicações.


Subject(s)
Humans , Male , Female , Adolescent , Adult , Middle Aged , Young Adult , Pituitary Neoplasms/pathology , Pituitary Neoplasms/therapy , Prolactinoma/pathology , Prolactinoma/therapy , Pituitary Neoplasms/diagnostic imaging , Prolactin/blood , Sella Turcica/pathology , Time Factors , Magnetic Resonance Imaging , Prolactinoma/diagnostic imaging , Follow-Up Studies , Treatment Outcome , Dopamine Agonists/therapeutic use , Tumor Burden , Ergolines/therapeutic use , Cerebrospinal Fluid Leak/pathology , Cabergoline , Antineoplastic Agents/therapeutic use
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